The flowers are green and white, swollen at the base and taper towards a bright reddish-brown tip. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is erect near the base but then curves forward and is long and wide. The petals are slightly longer than the dorsal sepal.
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The peduncle is usually thick, being around 5mm in diameter. Like all orchids, Aerangis fastuosa has an outer whorl composed of three sepals and an inner whorl composed of three petals, one of which has been modified into a lip. The dorsal sepal (upper sepal) is usually ovate (egg shaped) with the base being thicker than the tip, but width can be more equal across the length of the dorsal sepal. The dorsal sepal can range in size being 15 – 30mm x 5 – 8mm.
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The dorsal sepal is about long and wide, the lateral sepals about long and wide. The petals are shorter and narrower than the dorsal sepal. The labellum is long and about wide and curves downwards. Flowering occurs between April and June.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column and the dorsal sepal tapers to a point. The petals are wider than those of similar greenhoods and extend beyond the end of the dorsal sepal. The lateral sepals are held closely against the galea, long and have thickened, club-like tips. The labellum is small and not visible from outside the flower.
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The fruit remains on the plant until it dies, the sepal remnants having fallen.
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Inflorescence elongate racemes 4–7 cm. Sepal tube is bell-shaped 1 cm in diameter.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is long, wide and has a rough surface. It is erect near its base, then curves forward with the dorsal sepal longer than the petals. The lateral sepals are more or less erect with narrow tips long with a deep notch in the sinus between them and a wide gap between them and the galea.
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Defensive equipment, both active and passive, used to defend Angola's coasts. #SS-C1 Sepal Radar System.
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The flower is cream- coloured to pink, with red lines. The dorsal sepal is long, about wide and tapers to a thick glandular tip long. The lateral sepals are a similar to the dorsal sepal but almost twice as wide. The petals are long and wide.
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The sepals have thin, club- like glandular tips long. The dorsal sepal curves forward and is long. The lateral sepals are a similar size to the dorsal sepal and turn stiffly upwards. The petals are long, sickle-shaped, taper to a thin point and turn upwards.
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The dorsal sepal is erect, long and wide. The lateral sepals and petals have about the same dimensions as the dorsal sepal. The labellum is relatively flat, long, wide, bluish and white with the tip turned downwards. There are many rows of small, bead-like calli covering the labellum.
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The flowers are green with red blotches. The dorsal sepal is long, about wide and forms a hood over the column. The lateral sepals are a similar length to the dorsal sepal but only half as wide. The petals are about long, wide and spread apart from each other.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is more or less erect near its base then suddenly curves forward then below horizontal. The petals are slightly flared and slightly shorter than the dorsal sepal. There is a wide gap between the lateral sepals and the galea and the lateral sepals have thread-like tips which are erect, spread slightly apart from each other and are higher than the galea.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is erect near its base, then curves forward in a semi-circle, the dorsal sepal slightly longer than the petals. The lateral sepals partly close off the front of the flower and are erect, in close contact with the galea with their tips about the same height as the top of the galea. The labellum is long, and barely visible from outside the intact flower.
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The dorsal sepal is egg-shaped, long and wide, forming a hood over the column. There is a long, hair-like tip on the end of the dorsal sepal. The lateral sepals are long, wide and fused to each other along their sides. The petals are triangular, curved, long and wide.
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The dorsal sepal is narrow egg- shaped, long and about wide. The lateral sepals are a similar length to the dorsal sepal but are about long and joined to each other. The petals spread widely and are about long and about wide. The labellum is long and only about wide.
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The dorsal sepal is erect, long, about wide, linear to narrow lance-shaped near the base then narrowing to about . The lower part of the dorsal sepal has a reddish stripe in its centre and ends with a thick, dark reddish-purple glandular tip. The lateral sepals are long, about wide, linear to lance-shaped and have a glandular end like the one on the dorsal sepal. The petals are long, about wide, linear to lance shaped with a red line along their centre.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is more or less erect near its base then curves forward to the horizontal. The petals are slightly flared and slightly shorter than the dorsal sepal which has a short tip. There is a wide gap between the lateral sepals and the galea and the lateral sepals have thread-like tips which are erect, spread slightly apart from each other and are higher than the galea.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is more or less erect near its base then curves forward to the horizontal, the petals about the same length as the dorsal sepal. There is a wide gap between the lateral sepals and the galea and the lateral sepals which are erect, spread slightly apart from each other and no higher than the galea. There is a broad V-shaped sinus between the lateral sepals.
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The flowers are overall greenish yellow, with quite variable purple markings. The lanceolate acuminate recurved dorsal sepal is 2—3.5 cm long by 1 cm wide. The lanceolate-triangular acuminate lateral sepals are usually broader but the same length as the dorsal sepal. The lanceolate acuminate petals are smaller than the sepals.
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The flower is greenish cream to cream with pink to reddish stripes and blotches. The dorsal sepal is oblong to elliptic, long, wide and tapers to a thick glandular tip long. The lateral sepals are with similar to the dorsal sepal but wider. The petals are narrow lance-shaped, long and wide.
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The flowers are resupinate or partly resupinate with the dorsal sepal and petals fused to form a hood over the column. The lateral sepals are similar to the dorsal sepal, free and often spreading. The labellum has a deep pouch near its base, a narrow middle section and often has a hooked tip.
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The dorsal sepal is erect, long and about wide. The lateral sepals are sbout the same size as the dorsal sepal but are turned stiffly upwards. The petals are long and about wide and spread horizontally or turn upwards. The labellum is long and wide and red with the tip rolled under.
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More specifically, the abaxial surface of the sepal is moderately to densely covered in fine, pilose hair. The adaxial surface of the sepal is glabrous on the proximal part and sparely hairy to glabrous near the distal part. The stems hold one flower apiece. These features distinguish it from the R. piliferus.
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However, others hold that the name stems from the shape of the sepal, which resembles the tip of a spear.
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These were designated SPU-35V "Redut" or NATO "SSC-1 Sepal". Yugoslavia deployed this system on the island of Vis.
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A kind of bamboo bag, created by mythological character Y Rit and has a form of pơ lang flower's sepal.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The dorsal sepal is long and shallowly curved. The petals are oblong, long, about wide and are also shallowly curved. The lateral sepals are fused to form a single structure long and wide with a central notch deep.
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The sepals, but not the petals, have thick, red glandular tips long. The dorsal sepal is erect near its base then gently curves forward and is long and wide. The lateral sepals are a similar size to the dorsal sepal but spread widely. The petals are long, about wide and arranged like the lateral sepals.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column and the dorsal sepal has a short point. The lateral sepals are held closely against the galea, long and have thin, erect tips. The labellum is small and not visible from outside the flower. Flowering occurs from August to October.
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The dorsal sepal is long and wide. The lateral sepals have similar dimensions to the dorsal sepal and spread apart from each other. The petals are long and wide and spread widely. The labellum is an elongated heart shape, long, wide, bluish- purple with a white tip and with a furrow near its base.
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Glycosmis longisepala is a tree of Borneo in the family Rutaceae. The specific epithet ' is from the Latin meaning "long sepal".
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It is easily overlooked and may occur elsewhere in the region. It is easily distinguished in Victoria by its broad sepal.
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The sepal has an oblong leaf shape and is measured 2 millimeters. The apex has a flat tip or truncate shape.
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a long, narrow tip on its end. The lateral sepals turn downwards and suddenly narrow to thin, unusually long thread-like tips. The labellum is fleshy, dark brown, hairy and insect-like. Flowering occurs from September to October.
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Pterostylis micromega, commonly known as the swamp greenhood, is a species of greenhood orchid endemic to New Zealand. Both flowering and non-flowering plants have a rosette of leaves while flowering plants also have a single, relatively large whitish flower with a pointed dorsal sepal. The flower colour and pointed dorsal sepal are unique in New Zealand Pterostylis.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column and the dorsal sepal has a short point. The lateral sepals are held closely against the galea, long and have relatively thick, erect tips. The labellum is small and not visible from outside the flower. Flowering occurs from June to early August.
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The flowers are long and wide. The dorsal sepal and petals form a hood over the column. The dorsal sepal is long with a smooth surface and the petals are long, about wide and almost straight. The lateral sepals turn downwards and joined for most of their length forming an almost circular structure long and wide.
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The dorsal sepal is about long and wide and forms a hood over the column. The lateral sepals are a similar size to the dorsal sepal and spread apart from each other. The petals are divided into two lobes about wide, one about long and the other about long. The labellum has three thread-like lobes long.
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Habenaria exilis is a tuberous, perennial herb usually with two upright, dark green leaves, long and wide. Between seven and fifteen whitish flowers long and wide are well-spaced along a flowering stem tall. The dorsal sepal and petals overlap at their bases and form a hood over the column. The dorsal sepal is about long and wide.
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The sepals of the flowers are a dark red and the petals are extremely small and resemble a thread. Of the floral parts the dorsal sepal is the biggest being 8–9 mm long and visually the most prominent part of the flower. Towards the end of the dorsal sepal there is a yellow thicker area.
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The dorsal sepal is egg-shaped, about long and wide and forms a hood over the column. The lateral sepals are a similar size to the dorsal sepal and the petals are egg-shaped, about long and wide. The labellum is heart-shaped, about long and wide with a pimply upper surface. Flowering occurs from November to March.
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The dorsal sepal is egg-shaped, about long and wide, forming a hood over the column. There is a long, hair-like tip long on the dorsal sepal. The lateral sepals are long, wide and fused to each other along their sides at the base. The ends of the lateral sepals taper into long, thread-like "tails" long.
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The dorsal sepal is erect, long and wide. The lateral sepals have similar dimensions to the dorsal sepal and the petals are long and wide. The labellum is membranous, long, about wide and whitish with its tip twisted into an S-shape. At the base of the labellum there are two fleshy, dark purple, club-shaped parallel calli long.
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The sepals and petals are strongly twisted, thick and shiny. The sepals are long, the dorsal sepal wide and the lateral sepal wide. The petals are a similar length to the sepals but only about half as wide. The labellum is mauve to purple with a cream-coloured to yellow centre, long, wide and has three lobes.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a short point. The lateral sepals are held close to the galea and have erect, tips long. The labellum is short but just visible above the sinus between the lateral sepals. Flowering occurs in June and July.
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The ovary is oval-shaped, erect, long and wide. The dorsal sepal is egg-shaped to lance-shaped, long, about wide and points downwards. The lateral sepals are a similar size to the dorsal sepal, linear to lance-shaped and free from each other. The petals are linear in shape, about long, wide and pale green with white edges.
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Diuris platichila is a tuberous, perennial herb with two linear leaves long, wide and folded lengthwise. Between two and eight yellow flowers with dark markings on the dorsal sepal and labellum, wide are borne on a flowering stem tall. The dorsal sepal is erect, long and wide. The lateral sepals are long, wide and turned downwards.
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The flowering stem usually has sheathing bracts, which often appear leaf-like. The dorsal sepal is broad, erect, dished and often forms a horizontal hood over the column. The lateral sepals are similar to, but usually narrower than the dorsal sepal. The petals are shorter and narrower than the sepals and often have a hook-like tip.
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The specific epithet ' is from the Greek meaning "sinewy sepal", referring to the veined fruit calyx. D. neurosepala is endemic to Borneo.
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This species is distinguished from the similar Acianthus fornicatus by smaller flowers, narrower dorsal sepal, narrower petals and much more northerly distribution.
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The flowers are crowded near the top of the flowering stem, long and wide. The dorsal sepal and petals form a hood over the column. The dorsal sepal is long and the petals are long and about wide at their widest point. The lateral sepals turn downwards and are joined for most of their length forming a broad, elliptical structure long and wide.
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The dorsal sepal is lance-shaped to egg-shaped, long, about wide and slightly dished. The lateral sepals are a similar length to the dorsal sepal but narrower and are free from each other. The petals are long, about wide and curve forwards. The labellum is wedge-shaped to egg-shaped, about long and wide and turns sharply upwards near its middle.
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The flowers are translucent white with green and brown stripes. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is long, wide and gradually tapers to a thread-like tip long. The lateral sepals are erect, held closely against the galea with thread-like tips about long that are held high above the galea.
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According to the College of Heralds, the heraldic rose may be used with either a petal at the top or if slightly rotated with a sepal at the top. Traditionally the rose is displayed with a petal at the top in the North Riding and West Riding but with a sepal at the top in the East Riding of Yorkshire.
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Diuris unica is a tuberous, perennial herb with a single, linear leaf, long, wide and folded lengthwise. Up to eight flowers wide are borne on a flowering stem tall. The flowers are bright lemon-yellow with a few dark markings at the base of the dorsal sepal and labellum. The dorsal sepal curves upwards and is egg-shaped, long and wide.
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The flowers are green and white, sometimes brown on the petals. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward and has a short point. The lateral sepals are erect, held closely against the galea with thread-like tips about 3mm long that do not project above the galea.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a short point on its end. The lateral sepals have erect, thread-like tips long. The sinus between the lateral sepals bulges platform-like and is usually dark brown. The labellum is curved, blackish, blunt, long, about wide and just visible above the sinus.
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The dorsal sepal and petals form a hood over the column. The dorsal sepal is longer than the petals and has a thread-like tip long. The lateral sepals are erect with thread-like tips long with a bulging sinus between them. The labellum is egg-shaped, long, about wide, thick, fleshy, dark brown and curved and protrudes above the sinus.
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Boronia palasepala was first formally described in 1999 by Marco F. Duretto and the description was published in the journal Austrobaileya. According to Duretto, the specific epithet (palasepala) is derived from Latin pala (spade) and sepala (sepal) and alludes to the spade- shaped (as in the playing card suit) sepals. The botanical Latin word for "sepal" is sepalum.Stearn, W.T. (1983).
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The dorsal sepal is egg-shaped, long and about wide. The lateral sepals are a similar size to the dorsal sepal and are joined to each other for half their length then spread widely apart. The petals are about the same size as the sepals. The labellum is long, about wide with a pouch at its base and its tip curved downwards.
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The dorsal sepal is free and the lateral sepals form a short mentum with the column foot. The petals are similar to the dorsal sepal but smaller. The lip is deeply 3-lobed, the lateral lobes are upcurved and the mid-lobe is spreading. The anther is imperfectly two-celled and there are two waxy pollinia, cleft, with viscidium and a prominent stipe.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is long and wide and curves forward with a short-pointed tip. The lateral sepals are erect, loosely in contact with the galea and taper to thread-like tips long. The labellum is curved, dark green with a blackish callus along its centre line.
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Caladenia sericea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single soft, densely silky leaf, long and about wide. Up to four pale blue or mauve flowers long and wide are borne on a stalk tall. The dorsal sepal is erect, long and wide. The lateral sepals and petals have about the same dimensions as the dorsal sepal.
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The species was first formally described by Robert Chinnock in 1979 and the description was published in the Journal of the Adelaide Botanic Garden. Chinnock derived the specific epithet from the Latin alati-, 'winged' and sepala, 'sepal', referring to the very prominent wings on the upper pedicel and sepals of this species. Stearn lists sepalum as the Latin word for 'sepal'.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column and the dorsal sepal has a short point. There is a small gap between the galea and the lateral sepals which have erect, thread-like tips long. The labellum is short, straight and not visible from outside the flower. Flowering occurs from July to September.
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The dorsal sepal (at the back of the flower) narrows at the end to a thin point, long. The flowers appear from August to November.
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The inflorescence is a head with 5 square-tipped, petal-like ray flowers and sepal-like phyllaries. Fruits are seeds attached to parachute-like pappi.
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The flowers are long and wide. The flowering spike has four or five stem leaves which are long and wide. The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having a short point on its brownish tip. The lateral sepals turn downwards and are long, wide, joined for part of their length and have brownish tips.
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The flowers are green and white with a dark chocolate-brown tip and have a rough surface texture. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward and has a short point. The lateral sepals are erect, held closely against the galea with thread-like tips about long that do not project above the galea.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is long and curves forward with a tapering tip. The lateral sepals are erect, have narrow tips which are higher than the galea and there is a wide gap between them and the galea. The labellum is curved, reddish-brown and protrudes above the sinus between the lateral sepals.
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The flowers are long, wide. The dorsal sepal and petals are joined to form a hood over the column with the dorsal sepal having a brown tip. The lateral sepals turn downwards and are long, wide and joined to each other for more than half their length. The labellum is about long, wide, reddish-brown and hairy with a dark stripe along its mid-line.
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Each flower is carried on the end of a thin stalk long. There are between two and four stem leaves with their bases wrapped around the flowering spike. The dorsal sepal and petals are joined to form a hood called the "galea" over the column with the dorsal sepal having a thread-like tip long. The lateral sepals are turned downwards and are wider than the galea.
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The dorsal sepal is light coloured with reddish stripes, broad lance-shaped and long with its edges turned inwards. The lateral sepals and petals are linear in shape, about the same size as the dorsal sepal but more spreading. The labellum is gently curved near its base, then strongly curved downwards near its tip. It is white with red lines and its tip is frilly.
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Caleana disjuncta has a single smooth, dull green or dull red leaf, long and wide. Usually only one greenish yellow and red flower, long and wide is borne on a thin, wiry stalk high. The dorsal sepal, lateral sepals and petals are long, wide and hang downwards. The dorsal sepal is pressed against the column which has broad wings, forming a bucket-like shape.
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The flowers are long, wide. The dorsal sepal and petals are joined to form a hood over the column with the dorsal sepal having a brown or green tip. The lateral sepals turn downwards and are long, wide and joined to each other for more than half their length. The labellum is long, wide and light brown with a darker brown stripe along its mid-line.
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The flower is long. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is long, wide, slightly longer than the petals and tapered towards the tip. The lateral sepals are erect, there is a wide gap between them and the galea and they are joined at the base to close off part of the front of the flower.
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The flowers are white with pale green striations. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal has a thread-like tip long and lateral sepals are erect, held closely against the galea and have thread-like tips long. The labellum is long, about wide, dark brown and curved, and just protrudes above the sinus.
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The dorsal sepal is about long, wide and overlaps the petals forming a hood over the column. The dorsal sepal is green with pink edges, the lateral sepals are green and the petals are white. The lateral sepals and petals are about long and wide with the lateral sepals spreading apart from each other. The labellum is white, about long, wide with two lobes on the end.
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The flower is usually dark red to maroon-coloured, sometimes greenish, and has a hot metal scent. The dorsal sepal is long, about wide and tapers to a blackish glandular tip. The lateral sepals are similar to the dorsal sepal but wider and spread apart from each other. The petals are long, wide and have a terminal gland similar to that on the sepals.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The galea is long and wide with the dorsal sepal slightly longer than the petals. The lateral sepals are downturned and joined together for most of their length, each with a short point on its end. The labellum is short, broad and blunt with a smooth lobe on the upper end.
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Up to three leaf rosettes are arranged on the side of the flowering spike. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward and has a short point. The lateral sepals are erect and partly close off the front of the flower with thread-like tips about long that do not project above the galea.
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The dorsal sepal and petals form a hood over the column with the dorsal sepal having an upturned point about long. The lateral sepals turn downwards, joined to each other for about half their length and are much wider than the hood. They have thread-like tips long and curve forwards and away from each other. The labellum is lance-shaped, long and about wide.
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The inflorescence is a raceme with a few to many resupinate green flowers spirally arranged on a flowering stem. Each flower has a short stalk with a small bract near its base. The broad dorsal sepal is sharp-pointed, dished on the lower side and forms a horizontal hood over the column. The lateral sepals are similar to, but much narrower than the dorsal sepal.
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Each flower is carried on the end of a long, thin stalk. Two to five stem leaves are wrapped around the flowering spike. The dorsal sepal and petals are joined to form a hood called the "galea" over the column with the dorsal sepal having a thread-like tip long often bent upwards. The lateral sepals are turned downwards and are wider than the galea.
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Diuris brevifolia is a tuberous, perennial herb with between four and eight, often twisted leaves which are long and wide. Up to five bright yellow flowers wide are borne on a flowering stem tall. There are two brown spots on the base of the dorsal sepal and the labellum callus is outlined in brown. The dorsal sepal is erect or bent upwards, long, wide.
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The ovary is more or less oval in shape, long. The dorsal sepal is egg-shaped to round, about long and with the petals forms a hood over the column. The lateral sepals are linear in shape, slightly shorter than the dorsal sepal, and roll back as they age. The labellum is long, more or less heart-shaped and turns downwards in a semi- circle.
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Diuris praecox is a tuberous, perennial herb with two or three linear leaves long, wide and folded lengthwise. Between six and ten flowers wide are borne on a flowering stem tall. The flowers are pale yellow with a few dark brown markings at the base of the dorsal sepal and labellum. The dorsal sepal is more or less erect, narrow egg-shaped, long and wide.
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The flowers are long, wide. The dorsal sepal and petals are joined to form a hood over the column with the dorsal sepal having a brown tip. The lateral sepals turn downwards and are long, wide, joined to each other for more than half their length with brown tips. The labellum is long, wide and cream-coloured with a dark stripe along its mid-line.
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The dorsal sepal is mostly transparent grey with reddish purple streaks, long and wide. It is erect near its base then curves forward, protruding over the labellum. The lateral sepals and petals are linear, about long, wide and tapered. The labellum is longer than the dorsal sepal and forms a tube long near its base, before curving and flattening into a concave dish shape, long and wide.
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The dorsal sepal is erect and curves forward, linear to lance-shaped, long, about wide and narrows to a glandular region long. The lateral sepals are oblong to lance- shaped, curved like a sickle, long, wide and have a glandular tip like that on the dorsal sepal. The petals are linear to lance-shaped, long, about wide. The lateral sepals and the petals spread widely.
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The dorsal sepal is narrow egg-shaped with the narrower end towards the base, long and wide. The lateral sepals are similar to the dorsal sepal but narrower and turn downwards and away from each other. The petals are a similar size and shape to the lateral sepals. The labellum is egg-shaped with the narrower end towards its base, long, wide and has three lobes.
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They are sometimes hairy. Light purple flowers grow in the leaf axils. They have hairy bracts and sepals. The back sepal tapers into a long spur.
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Different authors accept from four to 18 species in the genus. The inflorescence consists of large colourful sepal-like bracts which surround three simple waxy flowers.
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They have thinly textured, stalked leaves and small, dull-coloured resupinate flowers with the dorsal sepal and petals overlapping to form a hood over the column.
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The flowering stem is tall and there is usually only a single green flower with translucent white stripes. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is tall with the top nearly horizontal and tapering to a long narrow tip up to long. The lateral sepals taper to narrow tips up to long and are erect or turned backwards.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a short point. The lateral sepals are in loose contact with the galea, erect or backswept, have thread-like tips long and a curved V-shaped sinus between their bases. The labellum is long, about wide, brown, curved and protrudes prominently above the sinus. Flowering occurs from April to June.
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The flowers are jug-shaped or funnel-shaped, long and wide. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals are joined for about half their length and suddenly taper to narrow tips long which turn sharply downwards. The labellum is reddish, insect-like and held inside the flower except for its tip.
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The flowers are long, wide. The dorsal sepal and petals are joined to form a hood over the column with the dorsal sepal suddenly curving downwards near its tip which is often brown. The lateral sepals turn downwards and are long, wide and joined to each other for about half their length. The labellum is about long, wide, brownish-yellow and hairy with a dark stripe along its mid-line.
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The dorsal sepal and petals are fused to form a hood or "galea" over the column. The dorsal sepal and petals are a similar length and end in a blunt tip. There is a wide gap at each side of the flower between the petals and lateral sepals. The lateral sepals are erect, about the same length as the galea, long and there is a broad V-shaped sinus between them.
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, slightly wider than the galea and suddenly taper to narrow tips long which turn forward and spread apart from each other. The labellum is fleshy, greenish-brown and insect-like, long, about wide and covered with short hairs. Flowering occurs from September to November.
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The dorsal sepal and petals form a hood or "galea" over the column with the petals having wide flanges on their outer edge. The dorsal sepal has a narrow tip long. The lateral sepals turn downwards and are much wider than the galea and suddenly taper to narrow tips long which curve away from each other. The labellum is fleshy, greenish-brown and insect-like, about long and wide.
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Caleana granitica has a single smooth, dull green to dull red leaf, long and wide. The leaf is usually withered by flowering time. Usually only one greenish-yellow and red flower, long and wide is borne on a flowering stem high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape.
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As with others in the genus, the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is a narrow egg-shape to lance-shape, long and about wide. The lateral sepals are about the same length as the dorsal sepal but narrower and joined to each other for about half their length. The petals are linear to lance-shaped and about long.
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The dorsal sepal is erect, sometimes curves forward, long, wide with a swollen glandular tip . The lateral sepals are long, wide and upswept with a glandular tip similar to the one on the dorsal sepal. The petals are long, long, spread widely and usually lack a glandular tip. The labellum is greenish-yellow with a red tip and four or more rows of dark red calli along its centre.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a narrow tip long. The lateral sepals are in loose contact with the galea and have erect, thread-like tips long. There is a curved, V-shaped sinus between their bases. The labellum is long, about wide, reddish-brown and curved with about one-third protruding above the sinus.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a thread-like tip long. The lateral sepals are fused near their base, partly closing off the front of the flower and have erect, thread-like tips long. The labellum is long, about wide, curved, dark reddish- brown and protrudes above the sinus. Flowering occurs from February to May.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal curving forward with a sharp pointed tip. The lateral sepals are erect with a small gap between them and the galea and thread-like ends long. Between their bases there is a deep, V-shaped sinus. The labellum is long, wide, reddish-brown and curved or curled and protrudes above the sinus.
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Caleana brockmanii has a single smooth, dull green or dull red leaf, long and wide. The leaf is usually withered by flowering time. Usually only one greenish-yellow and red flower, long and wide is borne on a thin, wiry stalk high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape.
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Caleana dixonii has a single smooth, dull green to dull red leaf, long and wide. The leaf is usually withered by flowering time. Usually only one greenish-yellow and fawn-coloured flower, long and wide is borne on a flowering stem high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape.
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Diuris protena is a tuberous, perennial herb with between four and eight linear leaves long and wide in a loose tussock. Up to three flowers wide are borne on a flowering stem tall. The flowers are pale yellow with a few light brown markings at the base of the dorsal sepal and labellum. The dorsal sepal is held more or less horizontally and is egg-shaped, long and wide.
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The inflorescences begin from the base of the pseudobulbs and are always pendant, with fleshy, showy flowers hanging downward ("nodding") on a simple raceme. The dorsal sepal is free and the lateral sepals form a short mentum with the column foot. The petals are similar to the dorsal sepal but smaller. The lip is deeply 3-lobed, the lateral lobes are upcurved and the mid-lobe is spreading.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal has a thread-like tip long and the petals have pointed tips. The lateral sepals are erect, held closely against the galea, have thread-like tips long and a V-shaped sinus between their bases. The labellum is long, about wide, dark reddish-brown and curved, and protrudes above the sinus.
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Pterostylis crassichila is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of leaves which are long and wide. A single white flower with green lines and long, wide with a reddish-brown tip, is borne on a spike high. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is about the same length as the petals.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward with a sharp tip and is the same length as the petals. There is a wide gap between the petals and the lateral sepals which have swept-back, thread-like tips 25–35 mm long. The sinus between the lateral sepals is almost flat with a central notch and bulges forward.
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The flowers are almost spherical, green and white near the base, brownish near the tip and age to pinkish. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward near the top and has a rough tip. The lateral sepals are erect and held closely against the galea with narrow tips about long that do not project above the galea.
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The flowers are pale green and white with a brown tinge. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward and downward with a thread-like tip 4–8 mm long. The lateral sepals are held closely against the galea, have an erect, curved thread-like tip 20–25 mm long and a narrow V-shaped sinus between their bases.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward and has a short point. The lateral sepals are erect, held closely against the galea with thread-like tips about 3mm long which barely project above the galea. The sinus between the bases of the lateral sepals is flat and the opening in front of the flower is only about wide.
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The flowering stem is wiry, dull brownish maroon and bears one to a few flowers each on a stalk long, each with a small leaf-like bract. The flowers are non-resupinate and glabrous. The dorsal sepal and the two lateral petals are similar in size and are narrow linear in shape with pointed or club-shaped ends. The dorsal sepal points downwards and is pressed against the column.
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The flowers are long, wide. The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having a brown tip. The lateral sepals turn downwards, are long, wide and have a narrow tip about long which is orange-brown on its end. The labellum is insect-like, long, about wide and creamy yellow to dark chocolate brown with a black central stripe.
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Microtis oligantha is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf up to long. Between one and ten green or yellowish-green flowers up to are arranged along a flowering stem up to long. The dorsal sepal is broadly egg-shaped, long and hood-like. The lateral sepals are much shorter and narrower than the dorsal sepal and curve downwards.
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The flowers are long and wide. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a thread-like tip long. The lateral sepals turn downwards are joined for about half their length, then suddenly taper to narrow tips long. The labellum is long, about wide, dark brown with three lobes, the side ones with a large, horn-like appendage.
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Pterostylis anatona is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of dark green, wrinkled leaves long and wide. A single light green and white flower long and wide with a reddish-brown tip is borne on a spike high. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is slightly shorter than the petals.
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Caleana lyonsii has a single leaf, long, wide and which is usually withered at flowering time. Up to ten greenish-yellow flowers, long and wide are borne on a thin, wiry stalk high. The dorsal sepal and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape. The lateral sepals are also narrow but bend outwards.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a tapered tip and the petals broadly flared. The lateral sepals are held close to the galea, almost close off the front of the flower and have erect, thread- like tips long. The labellum is relatively large but not visible from outside the flower. Flowering occurs from late July to September.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a blunt tip. The lateral sepals are held close to the galea, almost close off the front of the flower and have erect, tips long which have thickened, club-like tips. The labellum is relatively small and narrow but is not visible from outside the flower. Flowering occurs from August to October.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a blunt tip. The lateral sepals are held close to the galea, almost close off the front of the flower and have erect, tips long which have slightly- thickened, club-like tips. The labellum is relatively small but is not visible from outside the flower. Flowering occurs from August to September.
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Peristylus banfieldii is a tuberous, perennial herb with between two and three leaves long and wide. Between eight and fifteen tube- shaped, white flowers long and wide are borne on a flowering stem tall. The dorsal sepal is long, about wide and forms a partial hood over the column. The lateral sepals are a similar length to the dorsal sepal but slightly narrower and spread apart from each other.
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The stamens are long. Flowering occurs in August to November and is followed by fruit which an urn- shaped capsule about long and wide with the sepal lobes attached.
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28 Apr 2012. . No hair abaxial of sepal. The flower is hermaphroditic. The style is 3–10 cm long and remains attached to the achene, acting as its wings.
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Caladenia brachyscapa is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long, wide with a few red blotches near the base. A single flower wide is borne on a wiry, hairy spike high. The dorsal sepal is long, wide and is erect or curved forward. The lateral sepals are about the same length as the dorsal sepal but wide and the petals are long and wide.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having a short point on its tip. The petals have a wide, transparent flange on their outer edges. The lateral sepals turn downwards, long, about wide and joined for part of their length. The labellum is insect- like, long, about wide, with an emerald green stripe along it centre and a mound on the "head" end.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward with a thread-like tip 3–5 mm long. The lateral sepals are erect and held closely against the galea and there is a broad, flat, platform-like protruding sinus between their bases. The labellum is 17–20 mm long, about 3 mm wide and reddish-brown and protrudes above the sinus.
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The flower is translucent white with pale to yellowish-green stripes. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The galea is inflated near its base then suddenly narrows to a pointed tip with the dorsal sepal slightly longer than the petals. The lateral sepals are erect, in close contact with the galea and taper to narrow tips long, only slightly higher than the galea.
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The dorsal sepal and petals form a hood or "galea" over the column with the petals having transparent flanges up to wide on their outer edge. The dorsal sepal has a narrow tip long. The lateral sepals turn downwards, are much wider than the galea and suddenly taper to narrow, parallel tips long. The labellum is reddish with darker stripes, a raised central ridge and is insect-like, long and about wide.
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals are narrow and turn downwards and suddenly narrow to thread-like tips up to long. The labellum is thinly-textured, green to pale brown and insect-like, about long with two hairs about long on the "head" end and eight to eleven shorter ones on each side of the "body".
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The dorsal sepal is gently curved but suddenly curves downward near the tip and is about the same length as the petals. The lateral sepals turn downwards and are about long, wide, cupped with short tips about apart from each other. The labellum is long, about wide and whitish-green with a dark green, beak-like appendage.
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Caleana gracilicordata has a single smooth, narrow heart-shaped, dull green to dull red leaf, long and wide. The leaf is usually withered by flowering time. Usually only one greenish-yellow and red flower, about long and wide is borne on a flowering stem high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape.
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The dorsal sepal is egg- shaped to lance-shaped, up to long is deeply dished. The lateral sepals are also up to long, dished liked the dorsal sepal and usually, but not always, joined for most of their length. The petals are egg-shaped to lance-shaped, up to long and have a pointed end. The labellum is egg-shaped to lance-shaped, up to long, turns upwards and has wavy, wrinkled edges.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The dorsal sepal is gently curved but suddenly curves downward near the tip and is about the same length as the petals. The lateral sepals turn downwards and are about long, wide and fused together forming a cup with tips about long. The labellum is about long, wide and whitish-green with a dark green, appendage.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward with sharp point or a thread-like tip long. The lateral sepals are held closely against the galea, have an erect, thread- like tip long and a broad, flat sinus with a small notch between their bases. The labellum is long, about wide, thick, fleshy and reddish-brown protruding prominently above the sinus.
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The dorsal sepal and petals form a hood over the column with the petals flared and the dorsal sepal having a short point. The lateral sepals are erect, fused for most of their length except for their thread-like tips which are long. The lateral sepals are in close contact with the gales and have a bulging sinus between them. The labellum is about long, wide and not visible outside the intact flower.
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The dorsal sepal is 15–25 mm long, 2–4 mm wide and curves forward. The lateral sepals have similar dimensions to the dorsal sepal and are nearly parallel to each other and turned downward, almost touching the ovary. The petals are 12–20 mm long, 1.5–3 mm wide and also turn downwards near the ovary. The labellum is pale green, 10–12 mm long and wide and has a dark red tip.
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Two to five stem leaves are wrapped around the flowering spike. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having an upturned, thread-like tip long. The lateral sepals turn downwards, are wider than the galea, have thickened hairy edges and suddenly taper to narrow tips long which spread apart from each other. The labellum is thick, brown and insect-like, long and about wide.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having a short point on its tip. The lateral sepals turn downwards, long, wide and joined for most of their length. The labellum is insect-like, long, about wide, pale green with a dark geen stripe along it centre and a dark green mound on the "head" end. Flowering occurs from June to August.
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The flowers are white with green and reddish-brown stripes. The dorsal sepal and petals are fused, forming a hood or "galea" over the column and the dorsal sepal has a sharp point. The lateral sepals are held closely against the galea and have narrow tips long and a broad sinus with a small notch between their bases. The labellum is long, about wide, relatively straight, and only just visible above the sinus.
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The flowers are long, wide. The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having a short point on its tip. The lateral sepals turn downwards, are long, wide, joined for most of their length and have a narrow tip about long which is brown on its end. The labellum is insect-like, about long, wide and dark brown with a blackish "head" end.
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The dorsal sepal and petals are fused, forming a narrow hood or "galea" over the column and the dorsal sepal is longer than the petals. The lower half of the galea is vertical, the upper part curves forward, but never as far as the horizontal. The lateral sepals are more or less erect, much higher than the galea and have long, narrow, red, thread-like tips. The labellum is curved, red and pointed.
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The flowers lean forward slightly and there are three or four stem leaves wrapped around the flowering stem. The dorsal sepal and petals form a hood called the "galea" over the column with the dorsal sepal having a thread-like tip long. The lateral sepals are the same width as the galea, dished and have densely hairy edges. They taper suddenly to narrow, thread-like tips long and parallel to each other.
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The dorsal sepal is spoon-shaped to egg-shaped with the narrower end towards the base, long and about wide forming a hood over the column. The lateral sepals have similar dimensions to the dorsal sepal but slightly narrower and curved. The petals are long and about wide and curved. The labellum is egg-shaped, white with pale purplish lines and has three distinct lobes, the central one egg-shaped, long and about wide.
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The dorsal sepal is 7–11 mm long, 2–3 mm wide and curves forward, forming a cap over the column. The lateral sepals have similar dimensions to the dorsal sepal but are held horizontally and spread apart from each other. The petals are 7–10 mm long, about 2 mm wide and spread horizontally or upwards. The labellum is 5–6 mm long and about 4 mm wide, whitish with reddish-purple bars.
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Cyrtostylis oblonga is a terrestrial, perennial, deciduous, herb with a single heart-shaped to almost round leaf long and wide. Up to four pink or pinkish green flowers long are borne on a thin flowering stem up to high. The dorsal sepal is erect, linear to narrow lance-shaped and the lateral sepals are narrow linear and somewhat smaller than the dorsal sepal. The petals are similar in size and shape to the lateral sepals.
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow, upturned tip long. The lateral sepals turn downwards, are wider than the galea, dished, and suddenly taper to narrow tips long. The labellum is insect-like, about long, wide with a thin "body" and a thickened "head" end. Each side of the labellum has four to six forward- pointing bristles up to long.
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Pterostylis brunneola is a terrestrial, perennial, deciduous, herb with an underground tuber and a large rosette of leaves in diameter. Flowering plants have a single pale fawn and white flower long and wide on a flowering stem high. There are two or three stem leaves long and wide on the flowering stem. The dorsal sepal and petals are fused, forming a hood or "galea" over the column and the dorsal sepal has a blunt point.
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The dorsal sepal curves forward and is long and about wide. The lateral sepals and petals have about the same dimensions as the dorsal sepal although the lateral sepals are slightly wider. The labellum is long, wide and cream-coloured with red lines. The sides of the labellum sometimes have a few short teeth, the tip is curled under and there is a dense band of red or cream-coloured calli along the mid-line.
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As with others in the genus, the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is broadly egg-shaped, dished, long and the lateral sepals are narrow oblong, slightly longer than the dorsal sepal and free from each other. The petals are slightly shorter and thinner than the lateral sepals. The labellum is egg-shaped and turns sharply upwards about half way from its base.
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The dorsal sepal is erect, wide at the base and tapers to a thread-like end with a dark, purple-red glandular tip long. The lateral sepals are wide at the base and taper to a thread-like end with a tip like that on the dorsal sepal, although shorter. The petals are wide, slightly shorter than the sepals and lack the glandular tip. The petals and sepals spread widely apart and have drooping tips.
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Caladenia curtisepala is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, dark green, linear leaf, long and wide. A single white to cream or pale pink flower, in diameter is borne on a spike high. The dorsal sepal is long, wide, linear to elliptic in shape and curves forward, partly forming a hood over the column. The back of the dorsal sepal is covered with many reddish-brown glands.
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It can be distinguished from the similar-looking Oenothera rhombipetala by its elongated sepal tips, spreading-pubescent flower buds, and mature lower buds that extend past the tip of the spike.
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The dorsal sepal is erect, long, wide. The lateral sepals and petals are about the same length as the dorsal sepal but about twice as wide, spreading widely at their bases but drooping near their ends. The labellum is bright white with red stripes and spots, long, about wide, narrow triangular in shape with three lobes. The labellum has red teeth on the sides and two pairs of lines of cream-coloured calli along its centre.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having a short point on its brownish tip. The lateral sepals turn downwards and are long, wide, joined for part of their length and have narrow brownish tips long. The labellum is long, about wide and pale green with a dark brown line along its centre and a dark brown mound near its base. Flowering occurs from August to October.
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Sarcochilus fitzgeraldii is a lithophytic herb with stems long and which forms large clumps on rocks. It has between four and eight dark green, linear leaves long and wide. Between four and fifteen white flowers with many crimson spots near the centre, long and wide are arranged on an arching flowering stem long. The sepal and petals are long and wide, the dorsal sepal slightly shorter and narrower than the lateral sepals and the petals narrower than both.
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The dorsal sepal and petals form a hood called the "galea" over the column with the dorsal sepal having a narrow point long. The lateral sepals turn downwards, about the same width as the galea and have thread-like tips long. The labellum is almost flat, reddish-brown, fleshy and insect-like, about long and wide. The "head" end has many short hairs and there are between twelve and fifteen longer hairs on each side of the body.
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Pterostylis procera is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of dark green, wrinkled leaves. Each leaf is long and wide. When flowering, there is a single translucent white flower with green and reddish markings, long and wide which is borne on a flowering spike high. The dorsal sepal and petals are fused to form a hood or "galea" over the column, the dorsal sepal slightly longer than the petals and sharply pointed.
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, about the same width as the galea and suddenly taper to narrow tips long which turn forward and spread apart from each other. The labellum is brown, thick, fleshy and insect-like, long, about wide and covered with short hairs with longer hairs on the edges. Flowering occurs from September to November.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is lance-shaped to egg-shaped, long and wide, curves forward and has a short point. The lateral sepals are erect, held closely against the galea and joined for most of their length, leaving an opening about wide. The tips of the lateral sepals curve forwards and are about long but do not reach the top of the galea.
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Caleana hortiorum has a single smooth, dull green or dull red leaf, long and wide. Unlike those of most other caleanas, the leaf is not withered at flowering time. Usually only one greenish-yellow and red flower, long and wide is borne on a thin, wiry stalk high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape.
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Pterostylis riparia, is a terrestrial, perennial, deciduous, herb with an underground tuber. Plants have a rosette of three or four dark green, fleshy leaves, each leaf long and wide. Flowering plants have a single green, white and reddish-brown flower long and wide on a stalk high. The dorsal sepal and petals are joined to form a hood called the "galea" over the column with the dorsal sepal and petals a similar length and ending in a sharp point.
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The dorsal sepal and petals are fused to form a hood called the "galea" over the column, with the dorsal sepal having a narrow, upturned point long. The lateral sepals turn downwards, much narrower than the galea and have thread-like tips long. The labellum is relatively thick, reddish-brown and insect-like, about long and wide. The "head" end has many short hairs and there are between two and four longer hairs on each side of the body.
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Habenaria propinquior is a tuberous, perennial herb with between two and four leaves at the base of the plant, the leaves long and wide. Between ten and thirty white flowers long and wide are borne on a flowering stem tall. The dorsal sepal and petals overlap at their bases and form a hood over the column. The dorsal sepal is about long and wide and the lateral sepals are slightly longer and spread apart from each other.
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The flowers lean forward and there are three to six stem leaves wrapped around the flowering spike. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, wider than the galea and which taper to narrow, brownish tips long. The labellum is fleshy, dark brown and insect-like, about long and wide with a channel along its mid-line.
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip about long. The lateral sepals turn downwards, are glabrous, about the same width as the galea and suddenly taper to narrow tips long which turn forward and are roughly parallel to each other. The labellum is fleshy, dark brown and insect- like, about long, wide and covered with long and short hairs. Flowering occurs from November to December.
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Caladenia amplexans is a terrestrial, perennial, deciduous, herb with an underground tuber and a single flat, hairy leaf, long and wide which often lies flat on the ground. One or two pale blue and white flowers about long and wide are borne on a stalk tall. The dorsal sepal is more or less erect, long and wide. The lateral sepals and petals have about the same dimensions as the dorsal sepal although the petals are slightly wider.
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Three or four stem leaves are wrapped around the flowering spike. The dorsal sepal and petals are joined to form a hood called the "galea" over the column with the dorsal sepal having a thread-like tip long. The lateral sepals are slightly wider than the galea, densely hairy on their outer edges and suddenly taper to a thread-like tip, . The tips of the lateral sepals are more or less parallel to each other and about apart.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column with the dorsal sepal having a short tip and the petals narrow, horn-like tips long. The lateral sepals are erect, fused to each other at their base and have a slightly bulging sinus between them and narrow tips long. The labellum is about long, wide with a thickened tip, curved and protruding above the sinus. Flowering occurs in June and July.
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The flowers are usually pale coloured with an erect dorsal sepal and spreading lateral sepals and petals. The petals and sepals are narrow lance-shaped and about as long as each other and the dorsal sepal. The labellum is stalkless, oblong and about as long as the sepals and petals with two bead-like glands and two ridges along its length. The column is curved with wings and is about half as long as the labellum.
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The dorsal sepal is egg-shaped, long and about wide and forms a hood over the column. The lateral sepals are triangular, a similar size to the dorsal sepal and the petals are egg-shaped to oblong, about long and wide. The labellum is red and yellow, fleshy, about long and wide with fine hairs on its lower surface. Flowering occurs sporadically throughout the year but each flower only stays open for one or two days.
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Cyrtostylis rotundifolia is a terrestrial, perennial, deciduous, herb with a single kidney-shaped, egg-shaped, heart-shaped or almost round leaf long and wide. Up to four pink or pinkish green flowers long are borne on a thin flowering stem up to high. The dorsal sepal is erect, linear to narrow lance-shaped and the lateral sepals are narrow linear and somewhat smaller than the dorsal sepal. The petals are similar in size and shape to the lateral sepals.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal about the same length as the petals and pointed. The lateral sepals are erect with a wide gap between them and the galea and there is a bulging sinus with a deep central notch between them. The tips of the lateral sepals are erect and long. The labellum is bluish, blunt, curved, long and and protrudes above the sinus.
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Caleana terminalis has a single smooth, dull green or dull red leaf, long and wide. Unlike those of most other caleanas, the leaf is not withered at flowering time. Usually only one greenish yellow and red flower, long and wide is borne on a thin, wiry stalk high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal long and shallowly curved with a brownish tip. The petals are long, about wide with narrow flanges on their outer edges. The lateral sepals are and joined for all but about , forming a structure wide. The labellum is insect-like, long, about wide, with a darker green stripe along its centre and a mound on the "head" end.
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The dorsal sepal is erect, long and wide. The lateral sepals and petals have about the same dimensions as the dorsal sepal but they are held horizontally near their bases, then turn downwards and droop. The labellum is long, wide and cream-coloured with red lines and marks. The sides of the labellum have short, blunt teeth, the tip is curled under and there are two rows of anvil-shaped calli along the mid-line of the labellum.
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Cheirostylis notialis is a tuberous, perennial herb with between three and six egg-shaped leaves, long and wide on a petiole long. Up to four resupinate, hairy white flowers, long and wide are borne on a flowering stem tall. The dorsal sepal is long, about wide and fused with the lateral sepals to form a tube. The lateral sepals are a similar size to the dorsal sepal and the petals are the same length but about half as wide.
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There are up to ten resupinate flowers on the end of a wiry stem high which is thickest near the top and which gradually withers from the base as the flowers mature. Each flower is straw-coloured, long and wide on a short stalk. The dorsal sepal curves over the top of the flower, with its side edges curved downwards. The two lateral sepals are shorter than the dorsal sepal and the two petals are narrower than both.
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The star-like flowers of the shrub are in diameter and have a single, modified sepal. The caterpillars of the Commander (Limenitis procris), a brush-footed butterfly, utilize this species as a foodplant.
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Diospyros plectosepala is a tree in the family Ebenaceae. It grows up to tall. The fruits are oblong to ellipsoid, up to long. The specific epithet ' is from the Greek meaning "twisted sepal".
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The sepal and petals are about long and wide, the petals slightly narrower than the sepals. The labellum is about long and wide with a small callus. Flowering occurs from September to November.
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The eight stamens are hairy and alternate in length with those opposite the petals shorter than those near a sepal. Flowering occurs from May to September and the fruit are long and wide.
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The edges of the dorsal sepal have short, dark hairs. The lateral sepals are linear to lance-shaped, dark purplish red, about long, wide and spread widely apart from each other. The petals are a broad egg-shape, dark purplish red with marking similar to those on the dorsal sepal and are about long and wide densely hairy edges. The labellum is elliptic to egg-shaped with the narrower end towards the base, about long, wide, with short, coarse hairs on the sides.
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Caleana nigrita has a single smooth green or red leaf, long and wide. One or two greenish-yellow and red flowers, long and wide are borne on a stalk high. The dorsal sepal, lateral sepals and petals hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape. Two-thirds of the outer part of the labellum is covered with glossy black glands or calli and the labellum has a small hump at its centre.
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The dorsal sepal and petals are joined and curve forward forming a hood called the "galea" over the column but the dorsal sepal is longer than the petals and has a pointed tip long. There is a flat, broad U-shaped sinus between the lateral sepals which have erect, thread-like tips long. The labellum protrudes above the sinus and is long, about wide, curved and brown with a deep notch on the end. Flowering occurs between April and July.
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Pterostylis stricta is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of wrinkled leaves. Each leaf is long and wide. When flowering, there is a single white flower with green lines and a reddish-brown tip, long and wide which is borne on a flowering spike high. The dorsal sepal and petals are fused to form a hood or "galea" over the column, the dorsal sepal about the same length as the petals, all with a sharp point.
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Pterostylis subtilis is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of fleshy leaves lying flat on the ground. Each leaf is long and wide. When flowering, there is a single white flower with dark green lines, long and wide which is borne on a flowering spike high. The dorsal sepal and petals are fused to form a hood or "galea" over the column, the dorsal sepal slightly longer than the petals and all sharply pointed.
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The leaflets of H. mexicana are an inequilateral falcate shape with the lamina at the base uneven and the outside leaf margin more rounded then the inside margin. The single full leaflet is long and in width, with a leaf petiole that is long on the inside margin of the base, and sessile on the outside margin. The flowers bisexual and small, being tall and from sepal to sepal. A distinct pubescence ranging from dark brown to tan covers the flower.
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The flowers lean forward and are long and wide. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a thread-like tip long. The lateral sepals turn downwards, the same width as the galea, deeply dished, hairy and suddenly taper to narrow tips long which turn forward and upward. The labellum is cup-shaped and insect-like, about long, wide with six to eight long hairs on each side of the "body".
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal with a thread-like tip long. The lateral sepals are fused near their base, partly closing off the front of the flower and have erect, thread-like tips long. The sinus between the lateral sepals bulges slightly and is V-shaped. The labellum is long, wide and is sharply kinked or curved, tapered near the tip and protrudes prominently above the sinus.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is much longer than the petals and curves forward with a long, tapering tip. The lateral sepals are erect leaving a wide gap between them and the galea, and there is a deep narrow notch in the centre of the sinus between their bases. The labellum is long, about wide, curved, dark green to brownish, twist prominently to the right and protrudes above the sinus.
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Pterostylis turfosa is a terrestrial, perennial, deciduous, herb with an underground tuber. It has between ten and eighteen dark green leaves crowded around the base of the stem and extending upwards, the leaves long and wide. Flowering plants have a single translucent green flower with darker green lines, the flower long and wide arranged on a flowering stem high. The dorsal sepal and petals are fused to form a hood or "galea" over the column, the dorsal sepal with curved point long.
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The dorsal sepal and petals form a hood called the "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals are much wider than the galea, have densely hairy edges and taper suddenly to narrow, thread-like tips long which spread apart from each other. The labellum is dark brown, fleshy and insect-like, long and about wide. The centre of the labellum has a channel and the edges have bristly hairs up to .
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward with a sharp point 2–4 mm long. The lateral sepals are erect, held closely against the galea, have an erect, thread-like tip 20–30 mm long and a flat sinus with a small notch between their bases. The labellum is 12–15 mm long, 3–4 mm wide, dark brown or green and just visible inside the flower.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is erect near its base then curves forward with a brownish tip longer than the petals and pointing downwards. The lateral sepals are held closely against the galea, have thread- like tips about long, are erect or curving backwards and have an almost flat sinus between their bases. The labellum is about long, wide, straight and only just visible above the sinus.
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The flowers lean forward and there are a small number of stem leaves wrapped around the flowering spike. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, are wider than the galea and suddenly taper to narrow tips long which turn forward. The labellum is fleshy, green, brown and insect- like, long, about wide and covered with many long and short hairs.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal curves forward strongly and then downwards with a pointed tip and the petals are flared giving the flower a cobra-like appearance. The lateral sepals are held closely against the galea and have thread-like tips which spread widely apart from each other and a flat, protruding sinus between their bases. The labellum is triangular in cross-section and protrudes above the sinus.
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having an downturned, thread-like point long. The lateral sepals turn downwards and are joined for about half their length and shallowly dished with the edges curved inwards. The lateral sepals also suddenly narrow to thread- like tips long which curve forwards with hooked ends. The labellum is brown, fleshy, insect-like, about long, wide and grooved and has long and short bristles around its edges.
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The flowers lean forward and there are two to four stem leaves with their bases wrapped around the flowering spike. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, are wider than the galea and taper to narrow tips long and about apart. The labellum is fleshy, dark brown and insect-like, long, about wide with a shallow channel along its mid-line.
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Pterostylis scabra is a terrestrial, perennial, deciduous, herb with an underground tuber and when not flowering, a rosette of leaves lying flat on the ground, each leaf long and wide. Flowering plants have a single flower long and wide borne on a flowering stem high. The flowers are white with green and pale brownish-fawn stripes. The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal curving forward with a short pointed tip.
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Corybas hispidus is a terrestrial, perennial, deciduous herb with an underground tuber. It has a single dark green leaf that is more or less circular in shape, long and wide and silvery-green or reddish on the lower surface. The single flower is reddish-purple and white with a greenish- grey dorsal sepal with red or dark purple spots. The dorsal sepal is egg- shaped or spoon-shaped, forms a hood over the labellum and is long and wide when flattened.
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The dorsal sepal is smaller than the other two sepals, is dished and erect but curves forward to form a hood over the labellum. The lateral sepals are much longer, broader and more conspicuous than the dorsal sepal and are white to pink and spreading. As is usual in orchids, one petal is highly modified as the central labellum. The other two petals are usually smaller and narrower than the sepals and are either erect, spreading or curved backwards towards the ovary.
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Goodyera umbrosa is a tuberous, perennial herb with a loose rosette of between four and eight shiny bright green, wavy, egg-shaped leaves, long and wide. Between three and ten resupinate, pale green to pinkish flowers, long and wide are borne on a fleshy flowering stem tall. The dorsal sepal is long, about wide and overlaps the petals, forming a hood over the column. The lateral sepals and petals are a similar size to the dorsal sepal with the lateral sepals spreading downwards.
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The flowers are variably coloured, usually dark red but may be almost white, yellow or from pale to deep red, and usually have darker red lines. The dorsal sepal is linear to oblong, long, wide but tapers to a thin, blackish glandular tip. The lateral sepals and petals are a similar size and shape to the dorsal sepal and end with a similar tip, although the petals are slightly narrower. The lateral sepals and petals spread widely and are turned downwards to drooping.
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Orchids in the genus Adenochilus are terrestrial, perennial, deciduous, sympodial herbs with a long, thin, horizontal underground rhizome and a single leaf either on a long stalk or attached to the flowering stem. When present, there is a single resupinate flower on the end of the flowering stem. The dorsal sepal is free and forms a hood over the labellum and column. The lateral sepals and petals are free from each other, longer and narrower than the dorsal sepal, and spread widely apart.
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Flowering occurs from March to August. This species is distinguished from other mosquito orchids by its relatively large, well- spaced, dark coloured flowers and by the dorsal sepal which does not cover the column.
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The sepal tips are pointed or rounded and spread, curve, or curl backward. The fruit is an achene with a plumelike, copper-colored extension up to 4 centimeters long.Clematis viticaulis. Flora of North America.
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Rarely, the flowers are all white. The dorsal sepal is long and wide. The lateral sepals are long and wide and spread apart from each other. The petals are long and wide and spread widely.
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In cooking, hull can also refer to other waste parts of fruits and vegetables, notably the cap or sepal of a strawberry. The husk of a legume and some similar fruits is called a pod.
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The flowering stem has four to seven dark green, egg-shaped to lance-shaped leaves which are long and wide. The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having a short brownish tip on its end. The lateral sepals turn downwards and are long, wide, joined for part of their length and have brownish tips. The labellum is long, about wide and light green with a darker green mid-line and a mound near its base.
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Pterostylis perculta is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of leaves, the rosette up to in diameter. Flowering plants have a rosette at the base of the flowering stem but the leaves are usually withered by flowering time. Up to five reddish-brown and white flowers wide are borne on a flowering stem tall. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a short point on its end.
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The ovary is more or less oval in shape, long on a short, relatively thick pedicel and stands out from the stem. The dorsal sepal is egg-shaped to almost circular, long and wide and forms a hood over the other parts of the flower. The lateral sepals are lance-shaped to egg-shaped, about long and wide and spread apart from each other. The petals are lance-shaped or egg-shaped and curved, shorter than the dorsal sepal and partly hidden by it.
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, about the same width as the galea and suddenly taper to narrow tips long which spread apart from each other. The labellum is dark brown, thick, fleshy and insect-like, about long and wide. The "head" end of the labellum has a few short hairs and there are six to nine longer bristles on each side of the "body".
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Caleana triens has a single smooth, dull green or dull red leaf, long and wide. Usually only one greenish yellow and red flower, long and wide is borne on a thin, wiry stalk high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape. The labellum is flattened and only about one-third of the outer part of the labellum is covered with glossy black glands or calli.
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Pterostylis tasmanica is a terrestrial, perennial, deciduous, herb with an underground tuber . It has between eight and fourteen dark green leaves crowded around the base of the stem and extending upwards, the leaves long and wide. Flowering plants have a single green flower with translucent green panels, the flower long and wide arranged on a flowering stem high. The dorsal sepal and petals are fused to form a hood or "galea" over the column, the dorsal sepal with a short point on its end.
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Pterostylis timothyi is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of bright green, pointed leaves long and wide with prominent veins. A single bright green, fawn and white flower, long and wide is borne on a stalk high. The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the sepal and petals with a sharp point on the end. The lateral sepals are erect, in close contact with the galea and have thread-like tips long.
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The flowers lean forward and there are between three and eight stem leaves wrapped around the flowering spike. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, are about the same width as the galea and suddenly taper to narrow tips long. The labellum is thick, fleshy, insect-like, long and about wide with short hairs on the "head" end and longer ones on the sides of the "body".
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The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, towards the ovary and are stiffly- held and narrower than the galea. They suddenly taper to narrow tips long which turn forward and are roughly parallel to each other. The labellum is fleshy, dark brown and insect-like, long, about wide and has an enlarged "head" end with short bristles and a "body" with eight to twelve longer hairs.
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The flowers lean forward and there are three to five stem leaves wrapped around the flowering spike. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards, are about the same width as the galea and suddenly taper to narrow tips long which spread apart from each other. The labellum is fleshy, reddish-brown and insect-like, about long and wide with a channel along its mid-line.
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Pterostylis calceolus, is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of between four and six egg-shaped leaves, long and wide. Flowering plants have between two and seven reddish-brown flowers with transparent sections, each flower long, wide. The flowers are borne on a flowering spike tall with between two and four stem leaves wrapped around it. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having an downturned, thread-like point long.
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Pterostylis bryophila is a terrestrial, perennial, deciduous, herb with an underground tuber and when not in flower, a rosette of between three and five leaves, each leaf long and wide. When in flower, plants have a single flower long and wide on a stem tall with four or five stem leaves. The flowers are shiny, bright green and white and curve forwards. The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the dorsal sepal pointed and longer than the petals.
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The flowers are long and wide, making them one of the largest among Western Australian spider orchids. The bases of the sepals and petals are linear to lance-shaped and held stiffly for about one-third, then suddenly narrow. The dorsal sepal is erect, linear to lance-shaped, long and wide at the base with a yellow-brown glandular tip up to long. The lateral sepals are spreading and downcurved, long and wide at the base with a tip similar to the one on the dorsal sepal.
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The sepal lobes are green, triangular and about long. The petals are white, almost round and about in diameter and there are 50-65 stamens which are up to long. Flowering occurs between November and January.
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The petals are about long and wide and are held under the dorsal sepal. The labellum is long, about wide with a lumpy edge and a shallow notch on the tip. Flowering occurs from May to October.
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The dorsal sepal is long, wide, oblong to elliptic near the base then tapering to a glandular tip about long and wide. The lateral sepals are lance- shaped near their bases, long, wide and taper to a narrow glandular tip similar to that on the dorsal sepal. The petals are long, wide, lance-shaped near the base then taper to a glandular tip similar to those on the sepals. The labellum is lance-shaped to egg-shaped, long, wide and has seven to ten pairs of linear teeth up to long on the edges.
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The flowers lean forward and are long and wide. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip long. The lateral sepals turn downwards and are the same width as the galea, deeply dished and suddenly taper to narrow tips long which turn forward and spread apart from each other. The labellum is fleshy, dark brown and insect-like, long, about wide with short hairs on the "head" end and five to eight long hairs on each side of the "body".
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Caleana alcockii has a single smooth green or red leaf, long and wide. Usually only one greenish-yellow and red flower, about long and wide is borne on a thin, wiry stalk high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape. About one-third of the outer part of the labellum is covered with glossy black glands or calli and the labellum has a prominent hump at its centre.
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Pterostylis russellii is a terrestrial, perennial, deciduous, herb with an underground tuber and when not flowering, a rosette of between three and six dark green, oblong to heart- shaped leaves, each leaf long and wide. Flowering plants have a single shiny dark green and white flower long and wide on a stem tall with three to five stem leaves. The dorsal sepal and petals are fused, forming a hood or "galea" over the column curving forward in a semi-circle. The dorsal sepal ends with a thread-like tip long.
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Pterostylis taurus is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of green to bluish leaves, each leaf long and wide. Flowering plants have a similar rosette and a single dark red to reddish brown and white flower borne on a flowering spike high. The flowers are long, wide and lean downwards. The dorsal sepal and petals are joined and curve forward forming a hood called the "galea" over the column but the dorsal sepal is longer than the petals and has a pointed tip long.
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The flowers are erect and there are between three and eight stem leaves wrapped around the flowering stem. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having an upturned, thread-like tip long. The lateral sepals turn downwards with their outer edges rolled inwards, and have tapered tips. The labellum is fleshy, insect-like, about long and wide and has a thickened "head" end with short hairs and four to eight longer hairs on each side of the "body".
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Pterostylis hildae is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of between two and four elliptic leaves, each leaf long and wide. The leaves have a distinct petiole and sometimes a wavy edge. When flowering, there is a single green, white and brown flower long and wide which is borne on a flowering spike high. The dorsal sepal and petals are fused to form a hood or "galea" over the column and the petals and dorsal sepal have a short point on their tips which end at or near horizontal.
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The callus at the base of the lip is yellow and is often marked with red lines. The widely spread, flat-opening flowers are 3 to 4 inches across with very wide sepals that are elliptic, have sharply pointed tips, often overlap and are variously crisped or wavy-margined or toothed and notched along the margins. The dorsal sepal is lanceolate to egg-shaped, undulate on the margin and 1.2 to 2.0 inches long by 0.5 to 0.9 inches wide. The obliquely spreading lateral sepals are similar in size to the dorsal sepal.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having an upturned, thread-like tip about long. The lateral sepals are about the same width as the galea, egg-shaped and turned downwards, joined for part of their length and taper to a narrow or thread-like tip long. The labellum is insect- like, about long, wide, dark reddish brown and fleshy. There are five to seven hairs up to on each side of the labellum and many shorter hairs on the "head" end.
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Pterostylis areolata is a terrestrial, perennial, deciduous, herb with an underground tuber and when not flowering, one or two egg-shaped leaves, long and wide. Flowering plants usually have a single pale green flower with translucent white stripes, sometimes with orange-coloured tips. The flowers are relatively large, lean forwards and are borne on a flowering stem high with between two and four stem leaves. The dorsal sepal and petals are fused, forming a hood or "galea" over the column with the dorsal sepal having a short point on its end.
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Pterostylis collina is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of between three and six egg- shaped leaves, each leaf long and wide. Flowering plants have a rosette at the base of a flowering stem with a single reddish-brown, green and white flower. The flower is long and wide and is borne on a flowering stem high. The dorsal sepal and petals are joined and curve forward in a semi-circle forming a hood called the "galea" over the column with the dorsal sepal longer than the petals.
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Pterostylis clavigera is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of dull green leaves long and wide with wavy edges. A single bright green and white flower, long and wide is borne on a flowering stem high and covered with short hairs. The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the sepal and petals with a short, nearly horizontal point on the end. The lateral sepals are erect, in close contact with the galea and have thread-like tips long.
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The dorsal sepal is long, wide, oblong near the base then tapering to a glandular tip long and about wide. The lateral sepals are lance-shaped near their bases, long, wide and taper to narrow glandular tips similar to that on the dorsal sepal. The petals are long, wide, lance-shaped near the base then end in a glandular tip but shorter than those on the sepals. The labellum is lance- shaped to egg-shaped, long, wide and has five to eight pairs of linear teeth long on the edges.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column but the dorsal sepal is slightly longer than the petals and has a sharp point on its end. There is a gap between the petals and the lateral sepals, which have thread-like tips 16–30 mm long. The sinus between the lateral sepals has a deep, V-shaped notch in the centre. The labellum is 5–7 mm long, about 3 mm wide, reddish-brown, egg-shaped, straight and just visible above the sinus.
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The dorsal sepal is erect with its sides turned forwards, the lateral sepals are held horizontally and flat and the petals either spread widely or turn inwards. The dorsal sepal is long and narrow egg- shaped, the lateral sepals and petals are , about wide, curved like a sickle and egg-shaped with the narrower end towards the base. The column is green with transverse red bars. Flowering occurs between September and January and is followed from December to April by the fruit which is a green, oval-shaped capsule long which sometimes has purple stripes.
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The flower leans slightly forward and is shiny, pale translucent green with darker green veins and purple-brown markings at the front. The dorsal sepal and petals are fused, forming a hood or "galea" over the column and the dorsal sepal has a thin point long. The lateral sepals are joined at their bases which are dark reddish and the free part is narrow, green and long. The labellum is long and feather-like with a few pale yellow, thread-like branches and a dark brown knob on the end.
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Caleana labellum has a single smooth, dull green or dull red leaf, long, wide and usually withered by flowering time. Usually only one greenish-yellow and red flower, long and wide is borne on a thin, wiry stalk high. The dorsal sepal, lateral sepals and petals are narrow and hang downwards with the dorsal sepal pressed against the column which has broad wings, forming a bucket-like shape. About one fifth of the outer part of the labellum is covered with glossy black glands or calli and the labellum flattened.
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Cheirostylis ovata is a tuberous, perennial herb with a rosette of between three and seven leaves, long and wide lying flat on the ground. Up to six resupinate white flowers, long and wide are borne on a flowering stem tall. The dorsal sepal is long, about wide and fused with the petals and with the lower half of the lateral sepals to form a tube. The lateral sepals are a similar size to the dorsal sepal and the petals are the same length but about half as wide.
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The petals and lateral sepals are long and spread widely, giving rise to the common name. The dorsal sepal is erect, wide at the base and tapers to a thread-like end with a club-like tip a further long and covered with dark red glands. The lateral sepals are about wide at the base then narrow to a thread like end with a club-like tip similar to but shorter than that on the dorsal sepal. The petals are shorter than the sepals and lack the blackish tips.
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Botanist Carl Peter Thunberg named the Disa genus of orchids based on the Disa legend. The dorsal sepal of some Disa orchids have a net-like appearance reminiscent of the fishnet in which Disa appears before King Freyhr.
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The lateral sepals are narrow triangular, about long and turn downwards. The petals are less than long. The labellum is much shorter than the dorsal sepal, smooth and has a whitish tip. Flowering occurs from February to May.
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The sepal and petals are about long and wide. The labellum is about long and wide with three lobes. The side lobes are erect and the middle lobe triangular with three ridges. Flowering occurs from August to October.
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The dorsal sepal and petals form a hood or "galea" over the column, the lateral sepals turn downwards and the labellum is insect-like with two long bristles on the "head" end. Flowering occurs between late August and October.
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The lateral sepals are linear, about long and the petals are about long. The labellum is mostly hidden by the dorsal sepal but has edges which turn upwards and a few tiny bristles. Flowering occurs from June to August.
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The floral cup is hairy and long. The sepal lobes are egg-shaped to triangular, long and hairy. The petals are pale yellow, more or less round and about long. There are about 24-35 stamens which are long.
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Mussaenda frondosa, the wild mussaenda or dhobi tree, is a plant of family Rubiaceae. It is a shrub that grows to about tall. Like all other Mussaenda species, they have a large prominent white petaloid sepal in their flowers.
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The floral cup is hairy and about long. The sepal lobes are triangular, about long and hairy. The petals are white, egg-shaped to almost round and about long. There are about 40-50 stamens which are about long.
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Pterostylis oliveri is a species of greenhood orchid endemic to New Zealand. Flowering have plants spreading leaves on the flowering stem and a single green and white flower with a strongly down-curved dorsal sepal and long, tapering lateral sepals.
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Plants in flower lack a rosette at the base but have up to ten translucent white flowers with green and brown stripes. This greenhood is similar to P. striata but has larger flowers and a longer tip on the dorsal sepal.
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The dorsal sepal is erect and about long, wide. The lateral sepals are about long, wide and curl downwards. The petals are about long, wide and face forwards. The labellum is thin, long, wide with irregular edges and a small callus.
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Each sepal base has a blotch of bright yellow and is folded into a thick lip around the mouth of the flower. From the corolla mouth protrude large anthers which may be light pink to nearly black surrounding a threadlike stigma.
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The petals are shorter than the lateral sepals and are mostly enclosed by the dorsal sepal. The labellum is oblong, up to long and curves downwards to be more or less parallel to the ovary. Flowering occurs from December to March.
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The dorsal sepal is long, wide and the lateral sepals are long and wide. The petals are about long and wide. The labellum is pink to red, oblong, about long, wide, fleshy and curved. Flowering occurs from September to November.
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Its drooping, solitary flowers are born on pedicels in axillary positions. The pedicels are 0.9-1.1 centimeters long with 2 basal bracts. Its membranous, hairless, oval, green sepal are 0.7–1.9 by 0.5–1.5 centimeters with pointed to tapering tips.
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Caladenia lobata has a single erect, hairy leaf, long and wide. One or two greenish- yellow flowers with red markings are borne on a hairy spike . The flowers are long and wide. The dorsal sepal is erect, long and wide.
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The sepal lobes are triangular, about long and the petals are white, long. There are about 20-25 stamens which are long. Flowering occurs in October and November and the fruit are cup-shaped capsules which are long and about wide.
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The dorsal sepal is about long and wide, the lateral sepals slightly narrower and the petals shorter and only about wide. The labellum is about long and wide with pimply edges and a triangular tip. Flowering occurs between January and April.
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Fruit in Hyderabad, India. The bayur tree produces large, white, finger shaped flowers in the spring. Flowers begin as one long bud, then separating into five more slender sepals as it matures. Each sepal can be up to seven inches long.
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The dorsal sepal and petals are fused to form a hood called the "galea" over the column, with the dorsal sepal having a thread-like tip up to long. The lateral sepals turn downwards, are about the same width as the galea, fused for more than half their length and have narrow tips long and spread apart from each other. The labellum is reddish-brown and insect-like, about long and wide. The "head" end is thickened, has many short white hairs and there are between four or five longer hairs on each side of the "body".
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Pterostylis hians is a terrestrial, perennial, deciduous, herb with an underground tuber and when not flowering, a rosette of dark green, more or less round leaves, each leaf long and wide. Flowering plants have a single bright green and white flower long and wide on a stem tall. The dorsal sepal and petals are fused, forming a hood or "galea" over the column and the dorsal sepal has a short, sharply pointed tip. The lateral sepals are held closely against the galea, have erect thread-like tips long and a protruding, platform-like sinus between their bases.
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Pterostylis lepida is a terrestrial, perennial, deciduous, herb with an underground tuber and between five and ten egg-shaped leaves forming a rosette about in diameter. Flowering plants have a rosette at the base of the flowering stem but the leaves are usually withered by flowering time. Between three and ten green flowers with translucent white and brown striations are borne on a flowering spike tall, but only one or two flowers are open at a time. The dorsal sepal and petals form a hood or "galea" over the column with the dorsal sepal having a narrow tip about long.
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The dorsal sepal is long, about wide, oblong near the base then tapering to a glandular tip long and about wide. The lateral sepals are lance-shaped near their bases, long, about wide and taper to narrow glandular tips similar to that on the dorsal sepal. The petals are long, about wide, narrow lance-shaped near the base then ending in a glandular tip , about wide and even more prominent than those on the sepals. The labellum is lance-shaped to egg- shaped, long, wide and has seven to nine pairs of widely spaced, linear teeth on the edges.
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Trichoglottis australiensis is an epiphytic or lithophytic herb that forms coarse, untidy clumps with thick, cord-like roots and flattened branching stems long. There are a large number of thick, glossy, leathery, lance-shaped leaves long and wide scattered in two ranks along the stems. Creamy yellow resupinate flowers with reddish blotches, long and wide are arranged in clusters of between two and six on flowering stems arising opposite the leaf axils. The dorsal sepal is about long and wide, the lateral sepals slightly wider and the petals about the same size as the dorsal sepal.
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The floral cup is about long and hairy. The sepal lobes are broadly triangular, about long and pointed. The petals are deep purplish, sometimes pink, egg-shaped, about long and there 35 to 50 stamens which are long. The style is long.
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The floral cup is hairy and about long. The sepal lobes are egg- shaped to triangular, about long and glabrous. The petals are white, egg- shaped to almost round and about long. There are about 30-35 stamens which are about long.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide and curve stiffly downwards. The petals are long, wide and curve upwards. The labellum is long, wide and greenish-yellow with a glossy red tip which curls downwards.
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The dorsal sepal is long, wide and the lateral sepals are fused to form a synsepalum long and wide below the labellum. The petals are oblong to egg-shaped, long and wide. The labellum is long, about wide and has three lobes.
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The sepals and petals curve inwards. The dorsal sepal is narrow triangular, long and wide and the lateral sepals are a similar length but wide. The petals are long and wide. The labellum is fleshy, curved, long and about wide with tiny spots.
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The floral cup is glabrous, the sepal lobes are less than long and the petals are white, long. There are about thirty stamens which are long. Flowering occurs in January and the fruit are cup-shaped capsules which are long and about wide.
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The stem first grows upright, but bends early in development and becomes pendulous. The numerous flowers hang upside down, with the lip upwards. The almost circularly bent pedicels are characteristic of this genus. There are two lateral sepals and one dorsal sepal.
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The dorsal sepal has a long-tapering, down-curved tip. The lateral sepals turn backwards and away from each other. The labellum is curved, dark green, reddish near the tip and arched along its mid-line. Flowering occurs from November to January.
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Ponerorchis species grow from an ovoid tuber. They are slender plants with one to three usually slightly fleshy leaves. The flowers are all borne on the same side of the stem. The upper sepal and the two lateral petals form a hood.
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The simple translation of the root words in Plicosepalus (from the Latin plicatus, meaning "folded") is "plied sepal". The species epithet sagittifolius is also derived from Latin words, meaning "arrow", and meaning "leaf", presumably because some of its leaves are arrow-shaped.
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The herbaceous sepals are oblong to narrowly ovate with acute apices, measuring long and wide. Each sepal has three to five veins. The petals are a coppery yellow, measuring long and wide. The 50 to 80 stamens are irregularly spaced, the longest measuring .
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In wild plants these are normally mauve, but white-flowered plants also occur occasionally. They are terminal in racemes with sepal-like bracts at the base with a superior ovary, the fruit a capsule.Parnell, P. and Curtis, T. 2012. Webb's An Irish Flora.
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The sepals have flattened, club-like, dark red glandular tips long. The dorsal sepal is erect, long and wide. The lateral sepals are long, wide and spread widely, sometimes curved downwards. The petals are long, about wide and arranged like the lateral sepals.
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The sepal and petals are about long and wide. The labellum is about long and wide with three lobes. The side lobes are erect and the middle lobe turns downward with two ridges near the base. Flowering occurs from August to October.
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The petals are narrow spatula-shaped, long, about wide and held close to the dorsal sepal. The labellum is long, about wide and has three lobes. The middle lobe is long and is fleshy with red bristles. Flowering occurs from July to September.
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Melaleuca villosisepala was first formally described in 1999 by Lyndley Craven in Australian Systematic Botany. The specific epithet (villosisepala) is derived from the Latin word villosus meaning "hairy" and the New Latin word sepalum meaning "sepal", referring to the hairy lobes of the calyx.
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The dorsal sepal curves forward, forming a hood over the column. It is long, wide and a narrow egg-shape with a pointed tip. The lateral sepals are long, wide and are lance-shaped but curved. The petals are long, about wide and sickle-shaped.
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The lateral sepals are long, wide and curl downwards. The petals are long, wide and are held under the dorsal sepal. The labellum is oblong, long, wide and turns downwards with thickened, irregular edges and a prominently cleft tip. Flowering occurs from September to November.
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The galea is long and wide with the dorsal sepal slightly longer than the petals. The lateral sepals are downturned and joined together. The labellum is short, broad and blunt with a dark green lobe on the upper end. Flowering occurs from October to January.
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Chiloglottis truncata is a terrestrial, perennial, deciduous, herb with two leaves long and wide. A single green flower long and wide is borne on a flowering stem high. The dorsal sepal is long and wide. The lateral sepals are long, about wide and curve downwards.
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Subspecies auriculata is still considered a valid and separate species by some authorities. The major difference between the subspecies involve seed shape and sepal pubescence. D. peltata subsp. peltata has ovate (egg-shaped) seeds and the sepals are hairy or pubescent, whereas D. peltata subsp.
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The groups are shorter than the leaves and each flower is on a stalk long. There are four egg-shaped sepal lobes about long and four petals about long. In common with other zierias, there are only four stamens. Flowering occurs from September to December.
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Caladenia longicauda subsp. redacta is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. Up to three, mainly white flowers long and wide are borne on a spike tall. The dorsal sepal is erect, long and wide.
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Verticordia sect. Elachoschista is one of eleven sections in the subgenus Verticordia. It includes a single species in the genus Verticordia. Plants in this section resemble those in section Infuscata except that the sepal lobes are not divided but may have an irregularly toothed edge.
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Prasophyllum lindleyanum is a terrestrial, perennial, deciduous, herb with an underground tuber and a single smooth, tube-shaped leaf up to long and in diameter near the base. Between ten and twenty scented, greenish flowers are well-spaced along a flowering spike up to long. As with others in the genus, the flowers are inverted so that the labellum is above the column rather than below it and the dorsal sepal is the lowest part of the flower. The ovary is about long and inclined at 30° to the flowering stem and the dorsal sepal is egg-shaped to lance-shaped, long and inclined at 90° to the ovary.
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The dorsal sepal is erect near its base then curves forward and is 40–70 mm long and about 2 mm wide. The lateral sepals and petals have the same dimensions as the dorsal sepal but spread apart from each other, horizontally near their base but then curve downwards, drooping near the tips. The labellum is 7–10 mm long, 5–8 mm wide and creamy-white to pale yellow with red lines and spots and short, blunt teeth on its sides. There are two rows of cream-coloured, narrow anvil-shaped calli up to 1.5 mm long, along the centre of the labellum.
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The white lip is accompanied by dark yellow lateral lobes with dark red stripes at the base. The dorsal sepal is elliptic to elliptic-ovate and obtuse-rounded. The lateral sepals are obliquely ovate, sub-acute and divergent. Petals are rhomboid, cuneate-clawed, obtuse and broadly rounded.
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The lateral sepals are a similar size to the dorsal sepal and are usually free each other. The petals are linear to lance-shaped and long. The labellum is white, long, turns upwards at more than 90° and has crinkled edges. Flowering occurs from September to October.
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The floral cup is hairy, about long when flowering with the sepal lobes long and pointed. The petals are cream-coloured, broadly egg-shaped to almost round and long. There are 40-46 stamens which are long. Flowering has been observed in May, August and November.
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They have a pale yellowish-brown color, dotted with dull purple spots. The outer surface is downy. The obovate, dorsal sepal is erect, while the lateral sepals are fused (synsepals) with a small split at their apex. The elliptic petals are much shorter and with ciliated margins.
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The dorsal sepal is erect, long and wide. The lateral sepals are long, wide and spread widely and stiffly but with drooping tips. The petals are long and about wide, and arranged like the lateral sepals. The labellum is long, wide and has its tip rolled under.
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There are four triangular sepal lobes about long and four petals which are long, white and hairy. In common with other zierias, there are only four stamens. Flowering occurs from August to December and is followed by fruits which are mostly glabrous capsules dotted with oil glands.
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Leaves are almost 8 cm long, with golden nerves, dark green, and slightly hairy. The spikes grow upwards with blooms in large intervals, facing down. They are usually white, with upper pink-red sepal and petals which form an eyelid. Lip base with a frayed edge.
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The lateral sepals are a similar size to the dorsal sepal and spread widely apart from each other. The petals are long and about wide and are projected forwards. The labellum is long, wide with its tip divided into three. Flowering occurs from January to March.
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The sepals and petals are broad near their bases then suddenly taper to long, thin, reddish, glandular tips. The dorsal sepal is erect, long and wide. The lateral sepals are long, wide, spread widely and turn downwards. The petals are long, about wide and also curve downwards.
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The sepals are oblong to egg-shaped, long and wide. The dorsal sepal is upright or turned back and the lateral sepals spread widely apart from each other. The petals are broadly egg-shaped, long and wide. The labellum is long, wide and has three lobes.
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The lateral sepals are about long, wide with their tips rolled downwards. The petals are long, wide and are partly enclosed by the dorsal sepal. The labellum is heart-shaped, long, about wide and curves downwards with slightly wavy edges. Flowering occurs from August to October.
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The lower sepal is bulbous and narrows into a hooked spur tipped in carmine. The dorsal petal is orbicular and hooded while the lateral united petals are long. This species of Impatiens is known in Thai as "Dork Nok Khaew" which translates to "Flower Bird Parrot".
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The lateral sepals and petals have about the same dimensions as the dorsal sepal. The labellum is long, wide, purple and blue and curves downward near its tip. There are many scattered small, bead-like calli covering the labellum. Flowering occurs from August to early November.
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Caladenia xanthochila is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf, long and wide. One, rarely two flowers wide are borne on a hairy spike high. The sepals have red, club-like glandular tips . The dorsal sepal is erect, long and wide.
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The sepal are long and wide with the lateral sepals spreading widely apart from each other. The petals are long and wide. The labellum is long, about wide and brown to almost black with a thick pouch at its base. Flowering occurs between December and January.
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It produces 4 to 6 linear green leaves up to 19 centimeters long. It blooms in a single flower on a hairy brownish stalk. The flower is up to 8 centimeters wide. The dorsal sepal is white with a greenish or brownish spot at the base.
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The dorsal sepal is long and about wide. The lateral sepals are long, about wide, free from and parallel to each other. The petals are long, about wide and curve forwards. The labellum is about long, wide and turns sharply upwards at about 90° near its middle.
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The sepals have thick, brownish, club-like glandular tips about long. The dorsal sepal is erect, curves slightly forward and is long and about wide. The lateral sepals are long, about wide and spread downwards. The petals are long and wide and arranged like the lateral sepals.
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The dorsal sepal is erect, long and wide at the base. The lateral sepals are long, wide and curve downwards from the horizontal. The petals are long, wide and also curve downwards. The labellum is long and wide and cream-coloured with red lines, and spots.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide and curve stiffly downwards. The petals are long, wide and arranged like the lateral sepals. The labellum is long, wide and cream-coloured to yellow with red lines, spots and blotches.
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The sepals and petals have long, brown, thread-like tips. The dorsal sepal is erect, long and about wide. The lateral sepals are long, wide and spread widely at their bases but with their tips drooping. The petals are long, wide and arranged like the lateral sepals.
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The dorsal sepal is long, wide and curves forward. The lateral sepals are long and wide, spread apart and curve downwards. The petals are long, about wide and arranged like the lateral sepals. The labellum is long and wide, green and white with a dark red tip.
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Verticordia sect. Corymbiformis is one of eleven sections in the subgenus Verticordia. It includes five species of plants in the genus Verticordia. Plants in this section are mostly compact shrubs tall with a constricted floral cup, fringed or divided sepal lobes and dense heads of small flowers.
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The lateral sepals are long and about wide, the dorsal sepal slightly narrower. The petals are long and about wide. The labellum is long and wide with a more or less square-cut tip and three ridges along its midline. Flowering occurs between August and October.
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The dorsal sepal is long and wide, the lateral sepals long and about wide. The petals are long and about wide. The labellum is about long and wide and concave with three lobes. The side lobes are erect and the midlobe is divided again into three lobes.
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The dorsal (uppermost) sepal is wider than the other sepals and petals. The column is purplish, long and about wide with two yellow, ear-like arms on the sides. The flowers are self-pollinating, short lived and open on hot, sunny days. Flowering occurs from August to October.
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The sepals, petals and labellum all have tiny hairs on their edges. The dorsal sepal is about long and wide with a pointed tip. The lateral sepals are about long, wide and spread widely apart from each other. The petals are about long, wide with a sharply pointed tip.
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The dorsal sepal is a tapering egg shape, about long and wide. The lateral sepals are lance-shaped, curved, about long, wide and fused at their bases. The petals are long, wide and curve forwards. The labellum is variably coloured, about long, wide and sharply upwards near its middle.
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The dorsal sepal is erect, long and wide. The lateral sepals are long, wide, spread widely and downturned with drooping ends. The petals are long, wide and arranged like the lateral sepals. The labellum is long, wide and white to cream-coloured, often with a dark red tip.
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The dorsal sepal is long, wide and curved forwards. The lateral sepals are long, wide and turn downwards. The petals are long, about wide and arranged like the lateral sepals. The labellum is long, wide and mostly dark red with its sides turned up and the tip curled under.
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The dorsal sepal is egg-shaped, more or less upright, long and about wide. The lateral sepals are lance-shaped, long, wide and spread widely apart from each other. The petals are lance-shaped, long and about wide. The labellum is about long, wide and has three lobes.
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The dorsal sepal has a thread-like tip long. The lateral sepals are joined near their bases then curve downwards with narrow ends long and parallel to each other. The labellum is about long, wide and dark brown with two large side lobes. Flowering occurs from January to July.
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Caladenia ixioides is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a single flattened leaf, long, wide and reddish-purple underneath. Up to three white or yellow flowers long and wide are borne on a stalk tall. The dorsal sepal is erect, long and wide.
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The groups are no longer than the leaves. Each flower is surrounded by scaly to leaf-like bracts up to long and the four sepal lobes are about long and wide. The four petals are white, long and wide. In common with other zierias, there are only four stamens.
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The flowers are long, wide. The dorsal sepal and petals form a hood or "galea" over the column. The lateral sepals turn downwards, are long, wide and joined at their bases. The labellum is green, hairy and insect-like, about long and wide and flicks upwards when touched.
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The dorsal sepal is narrow egg-shaped, long with a sharp tip. The lateral sepals are erect, have narrow tips up to long and spread slightly apart from each other. The labellum is red, long, wide and curved with a prominent mid-rib. Flowering occurs from October to November.
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The dorsal sepal is oblong to egg-shaped, long and wide. The lateral sepals are triangular, long, wide and spread widely apart from each other. The petals are long, and curve inwards. The labellum is about long, wide, thick and fleshy and curved with a groove along its midline.
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They are up to 18 centimeters long. Flowers occur year-round, singly or in pairs. They are white or pink, sometimes with darker markings, and measure up to 5 centimeters in width. The lowest sepal behind the corolla tapers into a long, thin spur up to 8 centimeters long.
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The flowers are long, wide. The dorsal sepal and petals form a hood over the column. The lateral sepals turn downwards, are long, wide and joined for most of their length. The labellum is dark brown, hairy and insect-like, about long, wide and flicks upwards when touched.
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The somewhat cylindrical corolla of the flower is white to light lavender and is rolled back at the tip into four small lips and one longer lip. The tiny fruit develops within the sepal cup after the flower falls. The fruit is rounded, dark in color, and slightly hairy.
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Each flower is about 15 mm across, pink to purplish overall. The upper sepal and the lateral petals form a "helmet". The lip or labellum is about 13 mm long, deeply divided into three broad lobes. A spur is present, 10–15 mm long, shorter than the ovary.
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The lateral sepals are narrow triangular, white and about long. The petals are similar to the lateral sepals but only half as long. The labellum is about long, slightly shorter than the dorsal sepal and has red and white streaks. It has many short red bristles around its edge.
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Corybas abditus, commonly known as the swamp helmet orchid or small helmet orchid , is a species of terrestrial orchid endemic to Western Australia. It is a rare orchid with a single bluish green, heart-shaped leaf and a small flower with an enlarged dorsal sepal and tube-shaped labellum.
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Corybas abellianus, commonly known as the nodding helmet orchid, is a species of terrestrial orchid endemic to tropical north Queensland. It forms small colonies and has single heart-shaped, dark green leaf with a silvery white lower side and a reddish purple flower with a curved dorsal sepal.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide, turned downwards near their bases but then drooping. The petals are long and wide, spreading horizontally near their bases then drooping. The labellum is long, wide and creamy-white with red lines and spots.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide, turned downwards near their bases but then drooping. The petals are long and wide, spreading horizontally near their bases then drooping. The labellum is long, wide and creamy-white with red lines and spots.
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The dorsal sepal is erect, the lateral sepals are wide and the petals are wide. The labellum is mostly white, long with long, narrow teeth on its sides and there are four or more rows of pale red calli in its centre. Flowering occurs from September to October.
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The dorsal sepal is erect and the labellum is mostly white, long and with narrow teeth up to long on its sides. There are four or more rows of small, pale red calli up to long in the centre of the labellum. Flowering occurs from September to October.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide, spread apart and turned downwards. The petals are long and wide and spread horizontally near their bases but then turn downwards. The labellum is long, wide and cream coloured with red lines and marks.
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Habenaria praecox, commonly known as the early rein orchid, is a species of orchid that is endemic to the north coast of Queensland. It has between two and four narrow, upright leaves at its base and up to thirty five small white flowers with a green dorsal sepal.
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The groups are shorter than the leaves and each flower is in diameter on a stalk long. There are four narrow triangular sepal lobes less than long and four petals long. In common with other zierias, there are only four stamens. Flowering occurs from late winter to spring.
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Thelymitra cucullata was first formally described in 1946 by Herman Rupp from a specimen collected in the Stirling Range and the description was published in Australian Orchid Review. The specific epithet (cucullata) is a Latin word meaning "hooded", referring to the dorsal sepal which forms a hood over the column.
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Median sepal apiculate, galea 8–10 mm deep; spur slender, grading into the galea, 7–20 mm long; lateral sepals projecting away;elliptic to narrowly elliptic, with apiculi up to 4 mm long;petals spear-shaped, 5–7 mm long; lip narrowly egg- to spear-shaped, 10–12 mm long.
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There is a glandular tip long on the end of each lateral sepal. The petals are oblong, long, about wide and turned strongly downwards. The labellum is diamond-shaped, long and wide with a black, insect-like callus covering most of its upper surface. Flowering occurs from February to May.
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The dorsal sepal is lance- shaped to egg-shaped, long, wide and turns downwards. The lateral sepals are linear, long, about wide and free from each other. The petals are narrow linear to lance-shaped, long, about wide. The labellum is long, wide and turns sharply upwards near its middle.
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The dorsal sepal is erect, long and about wide. The lateral sepals are about the same length but slightly wider and the petals are long and wide. The lateral sepals and petals spread widely but curve downwards. The labellum is long, wide, green to yellowish-green with a dark red tip.
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It has five reflexed sepals in shades of magenta or white which lie back against the body of the flower. At the sepal bases is a ring of bright yellow. From the corolla mouth protrude large dark red or black anthers surrounding a threadlike pink stigma. The fruit is circumscissile.
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The leaves occur primarily along the upper third of the stem and are green at the time the plant flowers. The flowers are irregularly shaped. It has five conspicuous sepals, bright dark blue or purplish, with the rear sepal elongated into a spur. The inconspicuous petals occur in two pairs.
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The flowers are solitary or in small cymes, with four or five green sepals and an equal number of white petals; the petal size relative to the sepal size is useful in species identification. The fruit is a small capsule containing several seeds.Huxley, A., ed. (1992). New RHS Dictionary of Gardening.
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Caladenia gemmata is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a single dark green, shiny leaf, long, wide and purplish underneath. Up to three intense blue to purplish flowers long and wide are borne on a stalk tall. The dorsal sepal is erect, long and wide.
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The flowers are long, wide. The dorsal sepal and petals form a hood called the "galea" over the column. The lateral sepals turn downwards, are deeply dished, long, wide and joined at their base. The labellum is dark brown, hairy and insect-like, about long, wide and flicks upwards when touched.
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The dorsal sepal is pointed, erect near its base then curves forward. The lateral sepals turn downwards, joined for part of their length, the joined part long and wide. The labellum is green, about long wide with a greenish- black appendage with three ridges. Flowering occurs from October to December.
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The sepal at the rear is egg-shaped, long, has a distinct raised ridge, and encloses the other sepals. The other sepals are long. All the sepals are sticky and usually greenish-brown to reddish-purple. The petals are long and joined at their lower end to form a tube.
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Caladenia gertrudae is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a single bristly leaf, long, wide and green on both surfaces. Up to three pale blue, sweetly-scented flowers long and wide are borne on a stalk tall. The dorsal sepal is erect, long and wide.
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The pedicel (botany) and ovary are long and white-pubescent. The flowers are pale cream, faintly flushed with pink, with a bright yellowish- green lip. The dorsal sepal is puberulous on both surfaces, elliptic-oblong, long and across, with 5 nerves. The lateral sepals are similar to the dorsal, but oblique.
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The dorsal sepal is long, wide and more or less upright. The lateral sepals are a similar length but wide and spread apart from each other. The petals are a similar length to the sepals but narrower. The labellum is yellow, long and wide with three lobes and wavy edges.
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The dorsal sepal is mostly transparent green, long and wide. It is erect near its base then curves forward, partly covering the labellum. The lateral sepals are linear but tapered, long, wide and joined to each other at the base. The petals are lance-shaped, about long, wide and curved.
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Corybas barbarae, commonly known as fairy lanterns, is a species of terrestrial orchid endemic to eastern Australia including Lord Howe Island. It has a single dark green or reddish green, heart-shaped leaf and a small sparkling white or pinkish flower with an inflated dorsal sepal obscuring its hairy labellum.
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Corybas cerasinus, commonly known as the red helmet orchid, is a species of terrestrial orchid endemic to tropical north Queensland. It has a single bluish green, heart-shaped leaf and a cherry red to dark maroon flower with its curved dorsal sepal obscuring its labellum which has an upturned tip.
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Diuris pardina is a tuberous, perennial herb with two or three linear leaves long, wide and folded lengthwise. Between two and ten flowers wide are borne on a flowering stem tall. The flowers are yellow and heavily blotched with dark reddish-brown. The dorsal sepal is erect, long and wide.
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The dorsal sepal curves forward and is long and about wide. The lateral sepals are long and wide, spreading or turned downwards near their bases but then drooping. The petals are long and wide and arranged like the lateral sepals. The labellum is long, wide and white or cream coloured.
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The dorsal sepal is long and wide whilst the lateral sepals are slightly longer and wider. The petals are long and about wide. The labellum is cream-coloured with purplish markings, about long with three lobes. The side lobes are erect, expanded near the tip and the middle lobe is purple.
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The dorsal sepal is long, wide and more or less upright. The lateral sepals are a similar length but slightly wider and spread apart from each other. The petals are a similar length to the sepals but narrower and curve forwards. The labellum is yellow, long and wide with wavy edges.
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The flowers are white to pale pink and are usually arranged singly in leaf axils and are shorter than the leaves. There are four hairy, narrow triangular sepal lobes long and four petals long. The petals are covered with soft hairs. In common with other zierias, there are only four stamens.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide and turn downward so that they are about parallel to each other. The petals are long, about wide and upswept. The labellum is long, wide and greenish-yellow with a red tip which curls under.
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The cordate base to the adaxial sepal is a feature distinguishing it from many other Velleias. A full description of the plant is given in Flora of Australia online. The species was first described as Velleia lyrata by the botanist Robert Brown in 1810 and the name has never been revised.
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The petals lobes are egg- shaped to spatula-shaped about in diameter and there are mostly 20 to 35 stamens long in each flower. Flowering occurs between August and December but mostly between September and November and the fruit that follows is an urn- shaped capsule with the sepal lobes remaining.
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The lateral sepals are long, wide and spread forwards. The petals are narrow spatula-shaped long, about wide and are held close to the dorsal sepal. The labellum is pink to red, long, about wide and has three lobes. The middle lobe is long and is fleshy with red bristles.
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The dorsal sepal is about long and wide with a small gland on the tip. The lateral sepals turn downwards, are about long, wide and spread apart from each other. They also have a small gland on the tip. The petals are about long and wide with a pointed tip and hairless edges.
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The lateral sepals and petals are a similar size to the dorsal sepal but narrower. The labellum is white, has three obscure lobes and is about long. The labellum has a grainy texture and its edges are crinkled. Flowering occurs from October to March or later but the flowers are self-pollinating.
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There are terminal persistent pollen masses (pollinia), cream in colour, fixed directly to the viscidia (sticky pads which adhere to pollinators). The flower is pollinated by fungus gnats but otherwise little is known about the pollination mechanism because the flower is hidden by the dorsal sepal and the species is difficult to cultivate.
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Caladenia nobilis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. One or two white flowers long and wide are borne on a stalk tall. The sepals and petals have long, dark brown, thread-like tips. The dorsal sepal is erect, long, wide.
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The lateral sepals are a similar size to the dorsal sepal and more or less erect. The petals are about slightly longer and wider than the sepals. The labellum is about long, wide and has three lobes. The middle lobe is about long and wide but the side lobes are longer but narrower.
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Rumex aquaticus can be identified by its upright, reddish stout, large leaves shaped like hearts around the base and smaller leaves around the stalk. It can grow to about 1.8 m (6ft) tall. When flowering, Rumex aquaticus can be identified by its red, pink, and green 3 sepal flowers surrounding the stalk.
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Caladenia rileyi is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf, long and wide. A single yellowish-green and red flower is borne on a spike tall. The sepals and petals have thick, brownish, club-like glandular tips long. The dorsal sepal is erect, long and wide.
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The dorsal sepal is erect, long and wide. The lateral sepals and petals are long and wide. The labellum is about long, wide and whitish with the tip curved upward. At the base of the labellum there are two erect, fleshy calli about high with yellow bases and black or dark purple tips.
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Caladenia subtilis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf, long and wide. A single greenish to cream-coloured flower wide is borne on a stalk tall. The sepals have dark red, club-like glandular tips long. The dorsal sepal is erect, long and about wide.
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Caladenia sanguinea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single sparsely hairy leaf, long and wide. One or two dark red flowers wide are borne on a stalk tall. The sepals and petals have long, thin, thread-like tips. The dorsal sepal is long and about wide.
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Diuris porrifolia is a tuberous, perennial herb with two or three leaves long and wide. There are up to seven yellow flowers with brown or reddish markings, long and wide on a flowering stem high. The dorsal sepal is erect, long and wide. The lateral sepals point downwards, long and about wide.
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Diuris drummondii is a tuberous, perennial herb, growing to a height of with between three and six leaves, each long and wide. There are between three and seven pale yellow flowers with brown markings and wide. The dorsal sepal is erect, long, wide. The lateral sepals are long, wide and turned downwards.
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Eremophila galeata was first formally described by Robert Chinnock in 2007 and the description was published in Eremophila and Allied Genera: A Monograph of the Plant Family Myoporaceae. The specific epithet (galeata) is a Latin word meaning "cover with a helmet" referring to the helmet-shaped sepal of the flowers of this species.
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The lateral sepals have about the same dimensions as the dorsal sepal and the petals are slightly shorter and narrower. The labellum is long, wide, white with bluish- mauve stripes and a down-turned tip. There are many small, scattered, bead- like calli covering the labellum. Flowering occurs from September to November.
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Stamens either have short filaments or lack filaments altogether and are usually held inside the sepal tube. The style is short or absent, and the stigma is head-shaped (capitate). The ovary has a single chamber (locule). The fruits are one-seeded, and are either fleshy berries or dry and leathery (drupaceous).
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Diuris aurea is a tuberous, perennial, terrestrial herb, usually growing to a height of . There are one or two linear-shaped leaves, each long, wide and channelled. There are between 2 and 5 golden yellow to orange flowers with some darker markings on the labellum and dorsal sepal. The flower is about wide.
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The dorsal sepal and petals form a hood or "galea" over the column. The lateral sepals turn downwards, long and wide, dished and joined for most of their length. The labellum is egg-shaped, long and wide, with a greenish-black, blunt, ridged, forward pointing appendage. Flowering occurs from August to November.
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Caladenia carnea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, narrow linear leaf, long and wide. The inflorescence is a raceme, tall with between one and three, sometimes five flowers. The flowers are sometimes sweetly scented or musky. The dorsal sepal is usually erect, long, wide.
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Diuris curta is a species of orchid that is endemic to eastern Australia. It has one or two leaves and up to five bright yellow flowers with two small dark spots on the dorsal sepal. It grows on coastal headlands between about Byfield in Queensland and Hat Head in New South Wales.
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The lateral sepals are linear, about long, and turn upwards towards the base of the labellum. The petals are about long and hidden by the labellum. The labellum is mostly hidden by the dorsal sepal, tube shaped near its base, about long, wide, translucent white and hairy. Flowering occurs from March to July.
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The dorsal sepal is broadly lance-shaped, long and about wide. The lateral sepals are lance- shaped, long, about wide and free from each other. The petals are linear, long and wide. The labellum is pink to purple, egg-shaped, about long, wide and turns upward at 90° about half-way along.
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The lateral sepals are a similar length to the dorsal sepal but narrower and spread apart from each other. The petals are white, glabrous, long and about wide. The labellum is upright, white, long, wide and has about twelve crooked white hairs long on the narrow section. The nectary spur is about long.
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The dorsal sepal is long, wide and curves forward. The lateral sepals are long, wide with thin, red, club-like glandular tips, and curve stiffly downwards. The petals are long, about wide, also curve downwards and sometimes have club-like ends. The labellum is narrow triangular in shape, long, wide and dark red.
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The aerial roots seem like fine hairs. The flowers develop one at a time at the base of the leaf. They are borne on a slender peduncle, originating from the base of the back of the leaf. The long dorsal sepal is erect and ends in a somewhat thicker club- shaped tip.
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The long and purple dorsal sepal is erect and ends in a somewhat thicker club-shaped tip. They have fused lateral sepals (synsepals), which splits slightly at its end. They are quite colorful : yellow overlaid with contrasting reddish-purple spots. The long, lateral purple petals equally end in a thickened club-shaped tip.
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They have an unpleasant smell when crushed. The flowers are white and are arranged in upper leaf axils, usually in groups of five to eight, but sometimes as many as 27. The groups are usually shorter than the leaves. There are four more or less hairy, triangular sepal lobes less than long.
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The oblanceolate-oblong dorsal sepal is 5 mm long, the obovate-oblong lateral sepals are slightly longer and noticeably broader. The lanceolate- liner petals are shorter than the sepals. The trilobate lip is adnate to the column to its apex. The lateral lobes of the lip are shaped like a half-moon.
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Diuris striata is a tuberous, perennial herb with a two linear leaves long, about wide and folded lengthwise. About four mauve flowers about wide are borne on a flowering stem about tall. The dorsal sepal is erect, long, wide and egg-shaped. The lateral sepals are linear, about long and turned downwards.
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The petals are narrow spatula-shaped, long, about wide and held close to the dorsal sepal. The labellum is pink, long, about wide and has three lobes. The middle lobe is egg-shaped, long and is fleshy with red bristles. Flowering occurs from September to November, more prolifically after fire the previous summer.
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In a classification of orchids that was published in 2015, Disperis was transferred to the subtribe Brownleeinae. Brownleea and Disperis have a similar pollen structure and an upright labellum that lies over the front of the stigma. A median sepal spur is found in all six species of Brownleea and in many species of Disperis.
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The dorsal sepal is about long and with the slightly shorter petals forms a hood over the column. The lateral sepals are about wide and curl downwards. The labellum has a notched tip and thickened edges with small teeth and there are two comma-shaped calli at its base. Flowering occurs from September to January.
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Caladenia pachychila is a terrestrial, perennial, deciduous, herb with an underground tuber and which often grows in clumps. It has a single erect, hairy leaf, long and about wide. One or two greenish-yellow and red flowers long and about wide are borne on a stalk tall. The dorsal sepal is erect, long and wide.
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Chiloglottis formicifera is a terrestrial, perennial, deciduous, herb with two leaves long and wide. A single greenish or reddish flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, long and about wide. The lateral sepals are long, about wide and erect at the base then curve downwards.
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Caladenia ancylosa is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. A single flower is borne on a spike high. The dorsal sepal is erect, oblong to lance-shaped, long and about wide. It tapers near the end which terminates in a glandular structure long.
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The dorsal sepal is long, wide and curves forward forming a hood over the column. The petals and lateral sepals are asymmetrically linear to lance-shaped, long and about wide. The labellum is long and about wide. It is white to pinkish with purple spots and a purple tip, and egg-shaped when flattened.
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The dorsal sepal is about long and wide with hairless edges and darker coloured bands. The lateral sepals are long, about wide, turn downwards, with a humped base and a sharply pointed tip. There is sometimes a small gland on the tip of the lateral sepals. The petals are long, about wide with hairless edges.
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The dorsal sepal is curved forward over the column and the lateral sepals and petals are short, spreading and fan-like, with the lateral sepals joined at their bases. The labellum is narrow with short, blunt teeth on its sides and two rows of calli along its centre. Flowering occurs from late September to October.
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Caladenia nivalis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three bright white, sometimes pale pink flowers long and wide are borne on a stalk tall. The sepals have thick, brown, club-like glandular tips. The dorsal sepal is erect, long, wide.
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The dorsal sepal is curved forward forming a hood over the column and is narrow egg-shaped, long and wide. The lateral sepals are curved lance-shaped, long and wide. The petals are a similar shape to the lateral sepals, long and wide. The labellum is long, wide and white with the tip curled under.
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Caladenia integra is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and about wide. One or two flowers are produced on the end of a flowering stem tall. The flowers are across and long with green with maroon markings. The dorsal sepal is erect, long and wide.
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The lateral sepals are linear, about long, wide, pressed against the ovary and hidden below the labellum. The petals are lance-shaped to egg-shaped, long, about wide and spread apart below the dorsal sepal. The labellum is more or less round, shallow cup-shaped, fleshy, long and wide. Flowering occurs from September to December.
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The flowers are yellowish, brownish or orange-brown, long and wide with red streaks along the cente. The dorsal sepal is more or less erect, elliptic to egg-shaped, long and wide. The lateral sepals are lance-shaped, curved long and about wide. The petals are linear to narrow lance-shaped, long and about wide.
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Microtis eremaea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between ten and fifty yellowish-green flowers are crowded along a flowering stem tall. The flowers are long, wide with an ovary long. The dorsal sepal is long, about wide and hood-like.
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The dorsal sepal is gently curved but suddenly curves downward near the tip and is about the same length as the petals. The lateral sepals turn downwards and are joined for most of their length forming a cup shape. The labellum is small, green and cup-shaped. Flowering occurs from August to early September.
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The dorsal sepal has a thread-like tip long. The lateral sepals are held closely against the galea, have erect thread-like tips long and a slightly protruding, notched sinus between their bases. The labellum is long, about wide, curved, dark brown and prominently protruding above the sinus. Flowering occurs from January to April.
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The lateral sepals are linear, horn-like, long, about wide and erect, spreading or curved. The petals are oblong, long, about wide and hidden inside the dorsal sepal. The labellum is long and has three lobes. The middle lobe is elliptic to egg-shaped, long, wide and the side lobes are long, about wide.
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The flowers are usually white and are arranged in groups of up to 60 in upper leaf axils, the groups shorter than the leaves and each flower in diameter. There are four triangular sepal lobes about long. The four petals are long and slightly hairy. In common with other zierias, there are only four stamens.
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The lateral sepals are usually larger than the dorsal sepal and the petals much wider than the sepals. The labellum is joined stiffly to the column and has three lobes. The side lobes are erect and more or less parallel to each other and the middle lobe sometimes has a pair of appendages or antennae.
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The dorsal sepal is long, about wide and the lateral sepals are long and about wide. The petals are long, about wide. The labellum is green with a white patch, long, about wide with three lobes. The side lobes curve outwards and the middle lobe has a white, fleshy spur about long that curves downwards.
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The dorsal sepal and petals form a hood over the column. The lateral sepals turn downwards, long and wide, dished and joined for most of their length. The labellum is egg-shaped, about long and wide and green with a greenish-black, forward pointing appendage with three ridges. Flowering occurs from September to October.
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The zygomorphic flowers of Impatiens are protandric (male becoming female with age). The calyx consists of five free sepals, of which one pair is often strongly reduced. The non-paired sepal forms a flower spur producing nectar. In a group of species from Madagascar the spur is completely lacking, but they still have three sepals.
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It produces 4 to 6 green leathery leaves. It bears 1 to 5 flowers at the top of an erect or arching stalk up to 80 centimeters long. The flower is up to 10 centimeters wide. The dorsal sepal is white with green veining and the synsepal is greenish to yellow-green with green veining.
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Diuris punctata is a tuberous, perennial herb with two linear leaves long, wide and folded lengthwise. Up to ten flowers wide are borne on a flowering stem tall. The flowers are purple or mauve, often with darker, sometimes yellow marks. The dorsal sepal is more or less erect, elliptic to egg-shaped, long and wide.
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Diuris magnifica is a tuberous, perennial herb, usually growing to a height of . Two or three leaves emerge at the base, each leaf long, wide and folded lengthwise. There are between three and nine golden-yellow and purple flowers long and wide. The dorsal sepal is egg-shaped, long and wide and curves upwards.
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Diuris byronensis is a tuberous, perennial herb with one or two leaves long, wide and folded lengthwise. Between two and five bright yellow flowers with blackish markings, wide are borne on a flowering stem tall. The dorsal sepal is more or less erect, long and wide. The lateral sepals are long, wide and turned downwards.
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The dorsal sepal is linear to egg- shaped with the narrower end towards the base, long, about wide and folded lengthwise near the tip. The lateral sepals are oblong, curved, long and about wide. The petals are linear and curved, long and about wide. The petals and lateral sepals turn backwards against the ovary.
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Both surfaces of the leaf are dotted with oil glands. The flowers are white or pale pink and are arranged in large groups in upper leaf axils, the groups usually shorter than the leaves. There are four more or less hairy, triangular sepal lobes about long. The four petals are long and slightly hairy.
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Corybas montanus, commonly known as the montane helmet orchid, is a species of terrestrial orchid endemic to Queensland. It forms small colonies and has single heart-shaped to round leaf and a reddish, self-pollinating flower with a curved dorsal sepal. It is only known from the Mount Barney National Park in south-east Queensland.
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The lateral sepals are a similar length to the dorsal sepal, linear to lance- shaped and spread apart from each other. The petals are linear to lance-shaped and long. The labellum is white, sometimes pinkish, about long, turns upwards near its middle and has crinkled or wavy edges. Flowering occurs from October to December.
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The dorsal sepal is lance-shaped, long and about wide. The lateral sepals are long, about wide and joined to each other except near the tips. The petals are long and about wide. The labellum is white, long, about wide and turns sharply upwards near its middle, the upturned part sharply pointed with wavy edges.
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The leaves are 5-lobed and palmate. The lobes are ovate, the middle lobe having 5 to 8 pairs of lateral veins with minor veins finely reticulate.Acer oliverianum, Oregon State University landscape plants Flowers are whitish with five purplish sepal . They have five white petals and eight stamen that are longer than the petals.
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The lateral sepals are white, linear, about long, wide and held horizontally below the labellum. The petals are white, linear, about long, wide and curve around the labellum. The labellum is tube-shaped, reddish, long, wide and has three lobes, the middle one projecting under the dorsal sepal. Flowering occurs from September to November.
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Cyrtostylis tenuissima is a terrestrial, perennial, deciduous, herb with a single more or less round leaf long and wide. The leaf is green on both surfaces. Between two and fifteen green flowers about long and wide are borne on a flowering stem high. The dorsal sepal is erect and curved forward, long and wide.
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The sepals are about long and wide, the dorsal sepal turned downwards and the lateral sepals spread apart from each other. The petals are a similar length to the sepals but narrower. The labellum is horseshoe-shaped, about long and wide with between six and eight teeth long. Flowering occurs between December and February.
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The dorsal sepal is long, about wide, the lateral sepals slightly longer and wider and the petals slightly narrower. The labellum is white, long and wide with three main lobes. The side lobes are short and curve upwards and the middle lobe curves upwards and has three wavy ridges. Flowering occurs from September to November.
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Caladenia brevisura was first formally described by Stephen Hopper and Andrew Brown in 2001 from a specimen collected near the Oldfield River. The description was published in Nuytsia. The specific epithet (brevisura) is derived from the Latin words brevis meaning "short" and sura meaning "calf of the leg" referring to the short lateral sepal tips.
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The dorsal sepal is long, about wide and curves forward, more or less forming a hood over the column. The lateral sepals are long, about wide and spread widely or curve downwards. The petals are long, about wide and also spread widely. The labellum is long, about wide and whitish with red or purple lines.
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The petals are a similar size to the dorsal sepal. The labellum is white with yellow and reddish brown markings, about long and wide and has three lobes. The side lobes are erect with reddish brown lines and the middle lobe short and fleshy with a yellow tip. Flowering occurs between September and October.
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The dorsal sepal is erect to slightly curved forward, long and about wide. The lateral sepals are long and wide and spread horizontally near the base, then curve downwards. The petals are long and wide and arranged like the lateral sepals. The labellum is long and wide and cream coloured with red lines and spots.
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Habenaria ochroleuca is a tuberous, perennial herb with two or three glabrous leaves long and wide. There are between ten and twenty five flowers on a wiry flowering stem high with many overlapping bracts. The bracts are long and wide and the flowers are long and wide. The dorsal sepal is about long and wide.
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Caladenia longicauda subsp. eminens is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. Up to three, bright white flowers long and wide are borne on a spike tall. The dorsal sepal is erect, the lateral sepals are long and wide and the petals are wide.
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Each flower has the standard structure for the genus. There are three outer sepals which may be lighter or darker shades of green or violet, the lightest appearing white. Each is long by wide. The upper (dorsal) sepal varies from flat to boat-shaped and is bent backwards at the base and then curves forwards.
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The dorsal sepal is erect, long and about wide. The lateral sepals are long and wide and the petals are long and about wide. The lateral sepals and petals spread widely near their bases but are then downcurved. The labellum is white, long and wide with narrow teeth up to long on the sides.
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The dorsal sepal is erect, long and wide. The lateral sepals are long, wide, turn stiffly downwards and are nearly parallel to each other. The petals are slightly shorter and narrower than the sepals and curve stiffly downwards. The labellum is long, wide and yellowish with a dark red tip which is curled under.
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The ovary is an oval shape, about long at maturity. The dorsal sepal is egg-shaped, long and green with red edges. The lateral sepals are egg-shaped to lance-shaped long and joined for about two-thirds of their length. The petals are only about long, more or less triangular and have purplish edges.
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There are one or two bracts long at the base of the cluster, but the bracts fall off early in the flowering period. The sepal lobes are triangular, long and hairy. The four petals are long and covered with short, soft hairs and there are four stamens. Flowering occurs from late August to September.
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Diuris parvipetala is a tuberous, perennial herb with two linear leaves long, wide and folded lengthwise. Up to nine whitish to mauve flowers with purple markings and wide are borne on a flowering stem tall. The dorsal sepal is angled upwards, long and about wide. The lateral sepals are long, about wide and turned downwards.
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Shizhenia grows from a ovoid shaped tuber. It has a single stem leaf, situated near the base of the stem. The inflorescence consists of a single relatively large flower, rose-red to purple in colour, with a three-lobed lip (labellum). The upper sepal and the lateral petals are grouped to form a hood.
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Diuris setacea is a tuberous, perennial herb with between six and ten spirally twisted leaves in a tuft at its base. The leaves are long and wide. Between two and seven yellow flowers with brown markings, long and wide are borne on a flowering stem tall. The dorsal sepal is erect, long and wide.
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Boronia angustisepala was first formally described in 1999 by Marco F. Duretto and the description was published in the journal Muelleria from a specimen collected in the Gibraltar Range National Park. The specific epithet (angustisepala) was derived from the Latin words meaning "narrow" and meaning "sepal", referring to the narrow sepals of this species.
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Prunus sunhangii are trees 20 to 25m tall. They resemble P. cerasoides but can be distinguished from them by a number of features. P. sunhangii leaf margins are apex acuminate whereas P. cerasoides leaf margins are apex acuminate to long acuminate. P. sunhangii sepal margins are laxly dentate but P. cerasoides sepals are entire.
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The lateral sepals and petals are about the same length as the dorsal sepal and spreading. The labellum is white or pinkish with a yellowy-orange tip. It is long, wide when flattened and has three lobes. The central lobe is triangle-shaped, longer than the lateral lobes, curves downward and has finger-like teeth on its edges.
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The dorsal sepal is egg-shaped, about long and wide with dark red lines. The lateral sepals are linear to lance-shaped, long, wide, point downwards and spread apart from each other. The petals are broadly egg-shaped, about long and wide with darker lines. The petals have irregular edges with coarse, purple hairs up to long.
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There is a thick, fleshy callus covering most of the central area and many small pimple-like papillae on the outer half. Flowering occurs between May and August.Upper and lower (purplish) leaf surfaces of A. fornicatus This species is distinguished from others in the genus by its largish, projecting flowers, usually pinkish colouring, and broad dorsal sepal and labellum.
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As with others in the genus, the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is egg-shaped to lance-shaped and long. The lateral sepals are up to long and at least partly joined to each other. The petals are long with a pointed tip.
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Chiloglottis trapeziformis is a terrestrial, perennial, deciduous, herb with two leaves long and wide. A single greenish to purplish or brownish flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, long and about wide. The lateral sepals are linear, long, wide and curve downwards and away from each other.
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The dorsal sepal is a narrow egg-shape to lance-shape, long and about wide. The lateral sepals are up to long and spread apart from each other. The petals are narrow linear to lance-shaped, long and about wide. The labellum is long and turns upwards, sometimes extending above the lateral sepals and its edges are wavy.
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The dorsal sepal is a narrow egg-shape to lance-shape, long and wide. The lateral sepals are up to long and usually joined to each other. The petals are linear, egg-shaped or spoon-shaped, long, wide and spread widely. The labellum is egg-shaped to oblong, long, turns upwards at about 60° and its edges are wavy.
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As with other leek orchids, the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is lance- shaped to narrow egg-shaped, about long, wide. The lateral sepals are long, about wide, free from and parallel to each other. The petals are linear, long, about wide and turned forwards.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The lateral sepals turn downwards and are long, wide and joined for about half their length. The labellum is long, about wide and light brown with a blackish stripe along its mid-line. Flowering occurs from August to October.
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Caladenia paradoxa is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three creamy white flowers long and wide are borne on a stalk tall. The sepals and petals have long, thin, drooping, brown thread-like ends. The dorsal sepal is erect, long and about wide.
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Corybas globulus is a terrestrial, tuberous, herbaceous plant that forms loose clonal colonies. It has a single heart- shaped leaf long, wide and bright green with reddish edges and lower surface. The flower is more or less spherical and on a pinkish peduncle long. The dorsal sepal is dark reddish purple, long on a stalk long.
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The Clematis paniculata is a unisex plant though the male and female flowers are similar as both have six sepals, with white flowers lobed. But, the female flower has a smaller sepal than the male. They both have white sepals that are narrow towards the end, rectangular or rounded end. Females have few staminodes and males have lots.
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Chiloglottis cornuta is a terrestrial, perennial, deciduous, herb with two elliptic leaves long and wide on a petiole long. A single green to reddish flower long and wide is borne on a flowering stem high. The dorsal sepal is lance-shaped to egg-shaped, long and wide. The lateral sepals are long, about wide and curve forwards.
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Chiloglottis diphylla is a terrestrial, perennial, deciduous, herb with two leaves long and wide. A single greenish brown to reddish flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, long and about wide with a glandular tip a further long. The lateral sepals are long, about wide and curve downwards.
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Chiloglottis sylvestris is a terrestrial, perennial, deciduous, herb with two leaves long and wide. A single greenish pink flower long and wide is borne on a flowering stem high. The dorsal sepal is linear to spatula-shaped, long and wide. The lateral sepals are linear, long, about wide and curve downwards and away from each other.
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Chiloglottis reflexa is a terrestrial, perennial, deciduous, herb with two egg-shaped to elliptic leaves long and wide. A single greenish-bronze or purplish flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, long and wide. The lateral sepals are linear, long, less than wide and curve downwards.
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Caladenia ampla is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. A single flower (rarely two) is borne on a spike up to high. The dorsal sepal is erect, oblong to lance-shaped, long and about wide. It tapers near the end which terminates in a glandular structure long.
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Each flower is pendulous, about wide and long with petals and sepals that do not spread widely. The dorsal sepal is a broad egg-shape, about long and wide. The two lateral sepals are lance-shaped, long and about wide and dished near their base. The petals are egg-shaped, about long and less than wide.
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Paphiopedilum glaucophyllum is a terrestrial orchid tall. The leaves are waxy coated, clear blue-green, oblong-elliptic and narrow, about long. The flowers are about wide. The upper sepal is green and purple striped, the lateral petals are twisted, purple mottled and hairy, the labellum is white at the base, with a progressively increasing pink-purple dotting.
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Chiloglottis sphyrnoides is a terrestrial, perennial, deciduous, herb with two egg-shaped to elliptic leaves long and wide on a petiole long. A single green or reddish pink flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, long and wide. The lateral sepals are linear, long, about wide and curve downwards.
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There is a glandular tip long on the end of the dorsal sepal and about long on the lateral sepals. The petals are narrow oblong, long, wide and turn downwards towards the ovary. The labellum is diamond-shaped, long and wide. There is a shiny black, insect-like callus long, occupying two-thirds of its base.
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As with others in the genus, the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is lance- shaped, long and about wide. The lateral sepals are long and about wide, free from each other and spread widely apart at their ends. The petals are linear, long and about wide.
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Microtis arenaria is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between ten and sixty yellowish-green, fragrant flowers are crowded along a flowering stem tall. The flowers are long and wide. The dorsal sepal is egg- shaped, long and wide with its tip turned slightly upwards.
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The dorsal sepal is egg- shaped, long and about wide. The lateral sepals are linear to lance-shaped, long, wide with a small white gland on the tip. The petals are egg-shaped, about long and wide and also have a small gland on the tip. The labellum is narrow elliptic to narrow oblong, about long and wide.
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Microtis cupularis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and about wide. Between fifteen and thirty yellowish-green and reddish-maroon flowers are arranged along a flowering stem tall. The flowers are about long, wide and are self- pollinating. The dorsal sepal is about long and wide.
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The lateral sepals are about long with their tips rolled under. The petals are about long and held under the dorsal sepal or alongside it. The labellum is about long, wide with crinkled edges and bends down to almost touch the ovary. Flowering occurs from November to January but more prolifically after fire the previous summer.
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The lateral sepals are long, wide and curl downwards. The petals are about long, wide and are held under the dorsal sepal. The labellum is more or less rectangular in shape, about long and wide and turns downwards, almost touching the ovary. Flowering occurs from December to January, much more prolifically after fire the previous summer.
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The dorsal sepal is usually longer than the lateral sepals and the petals usually shorter and narrower than the sepals. The labellum is erect, flat and usually undivided with two ear-like lobes near its base. The column is short and has two relatively large wings. No nectar is produced and there are two pairs of waxy, yellow pollinia.
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Caladenia occidentalis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. One or two pinkish-red, white or pink flowers long and wide are borne on a stalk tall. The sepals and petals have long, reddish, thread-like tips. The dorsal sepal is erect, long and about wide.
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The sepals and petals spread horizontally or slightly downwards. The dorsal sepal is erect, linear in shape, long, wide and curves forward, forming a hood over the column and around its sides. The lateral sepals are long, about wide and the petals are long and wide. The labellum is long and wide and white with red or purplish spots.
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The dorsal sepal is a narrow triangular shape, long, wide and usually curled to one side. The lateral sepals are also narrow triangular, long, wide and curved backwards. The petals are linear to lance-shaped, long, about wide, stiffly erect and twisted. The labellum is white with purple stripes, about long and wide with three lobes.
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The oblong-ovate dorsal sepal can grow as long as 10 mm; the lateral sepals are often wider than the dorsal. The petals are linear. The adnate lip is heart- or kidney-shaped where it diverges from the column, is sufficiently three-lobed to be placed in the section E. sect. Schistochila,Reichenbach, H. G., nr.
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Microtis oblonga is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between ten and fifty bright green, sweetly scented flowers are arranged along a flowering stem tall. The flowers are long and wide. The dorsal sepal is more or less erect, about long and wide.
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The dorsal sepal has a thread-like tip long. The lateral sepals are erect or backswept, held closely against the galea, have thread-like tips long and a flat sinus with a central notch between their bases. The labellum is long, wide, dark-coloured, curved, pointed and visible above the sinus. Flowering occurs from January to April.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The lateral sepals turn downwards and are long, wide and joined for about half their length. The labellum is long, about wide and dark brown with a blackish lump on the top end. Flowering occurs from July to September.
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The dorsal sepal curves forward with a thread-like tip long. The lateral sepals are held closely against the galea and have erect, thread- like tips long and a flat sinus with a small groove between their bases. The labellum is long, about wide, straight and just visible above the sinus. Flowering occurs from May to August.
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Diuris sulphurea is a tuberous, perennial herb with up to three linear to lance-shaped leaves long and wide. Up to seven flowers wide are borne on a flowering stem tall. The flowers are bright yellow with a few prominent dark brown markings. The dorsal sepal is egg-shaped, erect or leaning forward, long and wide.
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The dorsal sepal is long and curves forward with a short-pointed tip. The lateral sepals are erect, in close contact with the galea with their tips spreading apart slightly from each other. The labellum is gently curved then suddenly curls downward at its tip with a dark red or blackish callus. Flowering occurs from October to January.
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The dorsal sepal is long and wide. The lateral sepals are long and wide and the petals are about long and wide. The labellum is curved and yellow, long, wide and has three lobes. The side lobes are red and relatively long compared to the short middle lobe, which has a fleshy plate in its centre.
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Each flower has a thread-like pedicel long. The dorsal sepal is linear to oblong, long, about wide and the lateral sepals are fused to form a boat shape long, about wide below the labellum. The petals are linear to egg-shaped with similar dimensions to the lateral sepals. The labellum is long, about wide and has three lobes.
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The sepals are blunt, narrow egg-shaped, long and wide, the dorsal sepal slightly longer and narrower than the lateral sepals. The petals are about long and wide. The labellum is white to yellowish, about long and wide and is basin-like with a beak-like tip and a spur about . Flowering occurs from June to August.
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Dendrobium falcorostrum is an epiphytic herb that has crowded, yellowish green, spindle-shaped pseudobulbs long and wide. Each pseudobulb has between two and five narrow elliptic to lance-shaped, dark green, leathery leaves long and wide. The flowering stem is long with between four and twenty crowded white flowers long and wide. The dorsal sepal is long and wide.
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The lateral sepals and petals have about the same dimensions as the dorsal sepal. The labellum is long, wide, pale yellow or white with purple stripes. The sides of the labellum have short teeth, the tip curves downwards and there are many rows of short bead-like calli covering the labellum. Flowering occurs from September to October.
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Ericoideae is a subfamily of Ericaceae, containing nineteen genera, and 1,790 species, the largest of which is Rhododendron, followed by Erica. The Ericoideae bear spiral leaves with flat laminae. The pedicel is articulated and the flowers are pendulous or erect, and monosymmetric, with an abaxial median sepal. The carpels are free and the anthers lack appendages.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The galea is green with darker green stripes and a curved, orange- brown tip. The petals are long, wide and expanded near the middle. The lateral sepals turn downwards and are long, wide and joined for more than half their length.
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Diuris carinata is a tuberous, perennial herb with between four and six erect leaves long and wide. Between two and seven bright yellow flowers with reddish brown markings, about long and wide are borne on a flowering stem tall. The dorsal sepal is angled upwards, long, wide and tapered. The lateral sepals turn downwards below the horizontal, long, wide.
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Caladenia barbarossa is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. In spring it produces one, rarely two flowers on the end of a stalk tall, each flower long and wide. The flowers are cream coloured to greenish-yellow with red markings. The dorsal sepal is erect, long, about wide.
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Caladenia pectinata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three red, yellow and pale green flowers long and wide are borne on a stalk tall. The sepals have thick, brown, club-like glandular tips long. The dorsal sepal is erect, long and wide.
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The floral cup is long and in diameter. The sepal lobes are long and wide. The petals are white, more or less round to egg- shaped, about long and wide and there are between 38 and 90 white stamens. Flowers are present in most months and the fruit are hemispherical capsules which are long and wide.
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Diuris basaltica is a tuberous, perennial herb tall with between three and seven linear, green leaves, each long and wide. There are up to three bright golden yellow to orange-yellow flowers, wide with a few dark streaks. The flowers often do not open widely and lean downwards. The dorsal sepal is long, wide and more or less erect.
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Caladenia interanes is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, which is long and wide. A single green flower with dark red stripes is borne on a thin flowering stem tall. The sepals have thin, brown glandular tips long. The dorsal sepal is erect or curves forward and is long and wide.
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Diuris behrii is a tuberous, perennial herb with between three and six grass-like, narrow linear leaves up to long. Up to four drooping, bright yellow flowers are borne on a flowering stem up to tall. The pedicel of each flower is enclosed in a bract. The dorsal sepal is egg-shaped, up to long and leans forwards.
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Astragalus brachycalyx, the Persian manna or manna, whose name is derived from the Latin ‘brachy’ meaning short, and ‘calyx’ referring to the sepal of the flower, is a species of legume commonly found on rocky mountain slopes in western Asia, from western Iran and northern Iraq to Turkey, and is commonly used as a source of gum tragacanth.
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The sepals and petals spread horizontally or slightly downwards. The dorsal sepal is erect, linear in shape, long, wide and curves forward, forming a hood over the column and around its sides. The lateral sepals are long, about wide and the petals are long and wide. The labellum is long and wide and white with red or purplish spots.
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The dorsal sepal is broad egg-shaped, long and wide and erect. The lateral sepals are linear to spoon-shaped, long, wide and hang below the flower, usually parallel to each other. The petals are erect and spread, ear-like above the flower. They are broadly egg-shaped, long, wide on a dark coloured, stalk-like "claw", .
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The four sepals are egg-shaped to triangular, densely hairy, long and wide. The four petals are long, wide but enlarge slightly as the fruit develops. The eight stamens alternate in length with those opposite the petals shorter than those near a sepal. Flowering occurs from June to October and the fruit are about long and wide.
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Diuris callitrophila is a tuberous, perennial herb with two or three leaves long, wide and folded lengthwise. Between three and nine white, purple or mauve flowers with darker markings, wide are borne on a flowering stem tall. The dorsal sepal is more or less erect, long and wide. The lateral sepals are long, wide and turned downwards.
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Microtis rara is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, tapering, tubular leaf long and wide. Between ten and fifty green or greenish-yellow flowers are well spaced along a flowering stem tall. The flowers sweetly scented, long and wide. The dorsal sepal is egg-shaped, long, wide with a dished lower surface.
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Diuris jonesii is a tuberous, perennial herb, usually growing to a height of . Two or three leaves emerge at the base, each leaf long and wide. There are between two and eight yellow, mauve and brown flowers long and wide. The dorsal sepal is erect and the lateral sepals are narrow and hang downwards or sometimes cross each other.
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Caladenia crebra is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. In August or September it produces one or two flowers on the end of a stalk tall, each flower wide. The flowers are greenish-yellow, sometimes with red markings. The dorsal sepal is erect, long and wide.
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This refers to the golden yellow crest on the sepal of the iris. In the 1750s, the American Quaker botanist, John Bartram (1699–1777) introduced Iris crisatata to England via his correspondence friend, Mr Peter Collinson. He had sent several specimen plants across the Atlantic to him. It has been in European culture in since 1766.
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Diuris flavescens is a tuberous, perennial herb with two linear leaves long, wide and folded lengthwise. Up to five pale yellow flowers with dark brown markings, wide are borne on a flowering stem tall. The dorsal sepal projects forward and is narrow egg- shaped, long and wide. It is yellow with greenish brown and reddish brown blotches.
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Borne in a raceme, initially compact but elongating with age, the flowers are pale blue to blue-violet, 2 to 3 mm in diameter, four-lobed with a narrow lowest lobe. Flower stalks are and shorter than the bracts. The fruit capsules are heart-shaped and shorter than the sepal-teeth. It flowers from April to October.
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Each flower is about 20 mm across, reddish purple overall. The upper (dorsal) sepal is about 10 mm long. The lip or labellum is about 15 mm long, divided into three relatively broad lobes, the middle one being the longest and sometimes further divided. A spur is present, 15–20 mm long, longer than the ovary.
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The lateral sepals are about long, wide and joined at their bases before tapering to a fine tip. The petals are about long, wide, widest at the base then tapering to a thread-like tip. The labellum is longer than the dorsal sepal, long, wide and reddish with obvious veins. Flowering occurs from June to September.
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Corybas dowlingii is a terrestrial, perennial, deciduous, herb with a single round or heart-shaped leaf long and wide. The leaf is dark green on the upper surface and slightly reddish on the lower side. A single erect, dark purplish red flower, long and wide is borne on a stalk long. The dorsal sepal is long, wide and curved.
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Corybas pruinosus is a terrestrial, perennial, deciduous, herb with a single round or heart-shaped leaf long and wide. The leaf is green on the upper surface and silvery green on the lower side. There is a single translucent grey flower with dark red markings. The dorsal sepal is long and wide curves forward over the labellum.
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The lateral sepals are green, about long, wide, joined at their bases and taper to a fine tip. The petals are about long, wide and taper to a thread-like tip. The labellum is longer than the dorsal sepal, long, wide with a greenish mound in the centre. The edges of the labellum have a few short, blunt teeth.
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The dorsal sepal is elliptic to oblong in shape, long, wide and curves forward. The lateral sepals are more or less oblong in shape, long, wide and have a pointed tip. The petals are lance-shaped, long, wide. The labellum is dark red, yellow on the outside, oblong to egg-shaped, long, wide and has three lobes.
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The flowers are purple, long and wide. The sepals are egg-shaped, about long and wide, the dorsal sepal turned downwards and the lateral sepals erect and spread apart. The petals are curved, slightly smaller than the sepals and have a pointed tip. The labellum is horseshoe-shaped, about long and wide with about ten teeth near its tip.
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The dorsal sepal is green, erect, long and wide with its edges slightly turned inwards. The lateral sepals are long, wide, spreading horizontally and stiffly near their bases but then drooping. The petals are long, and droop like the sepals. The labellum is white, long, wide with erect to spreading teeth up to long along its sides.
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The sepals are V-shaped in cross section, the dorsal sepal broader and slightly shorter than the lateral sepals. The petals are erect, oblong and much shorter than the sepals. The labellum is also shorter than the sepals and is thicker along its mid-line with two ridges of calli. Flowering occurs from November to February.
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It is thick and succulent with the upper surface smooth but with ridges and furrows. Up to twenty flowers are arranged in a raceme long. The dorsal sepal is linear to narrow lance-shaped, long and wide, the lateral sepals are long and wide, the petals slightly smaller. The petals and sepals are white to cream-coloured.
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Chiloglottis trilabra is a terrestrial, perennial, deciduous, herb with two dark green, oblong to egg-shaped leaves long and wide. A single greenish brown or pinkish flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, long and wide. The lateral sepals are linear, long, less than wide and curve downwards.
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The leaf is long, narrow, hollow, cylindrical and glabrous. The inflorescence is a spike or raceme with a few to many non-resupinate flowers breaking through a thin part of the leaf. The dorsal sepal is wider than two lateral sepals which are often joined. The petals are often curved, shorter and narrower than the sepals.
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Caladenia pilotensis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf, long and wide. One or two citrus-scented, creamy-white flowers which sometimes have red stripes, are borne on a spike tall. The sepals and petals have brown or reddish glandular tips. The dorsal sepal is erect, long and about wide.
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Diuris laevis is a tuberous, perennial herb with between four and eight spirally twisted leaves long and wide. Up to eight pale yellow flowers usually with reddish brown markings, long and wide are borne on a flowering stem tall. The dorsal sepal is angled upwards, long, wide and tapered. The lateral sepals project forwards long, wide.
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The dorsal sepal curves forward in its upper half and has a thread-like tip about long. The edges of the petals are flared and the sinus is flat and platform-like with a rolled edge. The lateral sepals have thread- like tips long. The labellum is long, wide, green, blunt and is just visible above the sinus.
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The attractive flowers are 5-6 cm long. They develop one at a time at the base of the leaf. They are borne on a slender peduncle, originating from the base of the back of the leaf. The long dorsal sepal is erect, triangular at the base and ends in a somewhat thicker club-shaped tip (= clavate).
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The dorsal sepal curves forward partly forming a hood over the column and is long and wide. The lateral sepals are linear to lance-shaped, slightly sickle-shaped, long, about wide and spread slightly apart. The petals are long and about wide and spread widely apart. The petals are long and wide and spread widely apart.
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Caladenia radiata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and about wide. One or two green, yellow and red flowers long and wide are borne on a stalk tall. The sepals have thin, brown, club-like glandular tips long. The dorsal sepal is erect, long and wide.
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Caladenia reticulata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long, wide. A single yellowish-green and red to wholly red flower is borne on a spike tall. The sepals have dark, narrow, club-like glandular tips long. The dorsal sepal is erect at its base but curves forward and is long.
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Sarcochilus hillii is a drooping, epiphytic herb with stems long. It has between two and ten linear or quill-shaped leaves long and about wide. Between two and ten frosty white or pink flowers, long and wide are arranged on a flowering stem long. The dorsal sepal is long and wide, the lateral sepals slightly longer.
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Caladenia rhomboidiformis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and about wide. One or two green, yellow and red flowers long, wide are borne on a stalk tall. The sepals have yellowish to brown, club-like glandular tips long. The dorsal sepal is erect, long and wide.
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Caladenia lodgeana is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three cream-coloured, red and pink flowers long and wide are borne on a stalk tall. The sepals and petals have thin brown, club-like glandular tips long. The dorsal sepal is erect, long and wide.
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Caladenia reptans subsp. impensa is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, hairy leaf, long and wide and green on both surfaces. Up to three pale pink flowers long and wide are borne on a spike tall. The dorsal sepal is erect and the lateral sepals are a similar size to it.
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The dorsal sepal is erect but curves forward, long and wide. The lateral sepals are long and wide and spread horizontally near their bases but then drooping and sometimes crossing each other. The petals are long and about wide and hanging like the lateral sepals. The labellum is long and wide and white with the tip rolled under.
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Caladenia interjacens is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. One or two white flowers with pinkish markings and long and wide are borne on a stalk tall. The sepals have pinkish-grey to brownish, club-like glandular tips long. The dorsal sepal is erect, long and wide.
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The lateral sepals are about long, wide and are held behind the side lobes of the labellum. The petals are about long, wide and curve upwards beside the dorsal sepal. The labellum has three lobes, the side lobes are about long, long and curve upwards. The middle lobe is about long and curves downwards towards the ovary.
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Clusters of between 9 and 25 white to pale yellow flowers are arranged in leaf axils, the clusters about the same length as the leaves. The clusters are surrounded by bracts which remain during flowering. Each flower has four triangular sepal lobes long and four spoon-shaped petals about long and covered with soft hairs. There are four stamens.
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The flowers develop one at a time at the base of the leaf. They are borne on a slender peduncle, originating from the base of the back of the leaf. The long dorsal sepal is erect and ends in a somewhat thicker club-shaped tip. They have fused lateral sepals (synsepals) with a length of about 2.5 cm.
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Caladenia rosella is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. A single pale or bright pink flower wide is borne on a stalk tall. The sepals and petals have long, dark, thread-like tips covered with glandular hairs. The dorsal sepal is erect, long and wide.
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Caladenia longifimbriata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. One or two green, red and white flowers long and wide are borne on a stalk tall. The sepals and have thin brown, club-like glandular tips long. The dorsal sepal is erect, long and wide.
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Caladenia longicauda subsp. merrittii is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. Up to three, mainly white flowers long and wide are borne on a spike tall. The dorsal sepal is erect and the dorsal and lateral sepals are long and wide with long drooping tips.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide, spread widely and horizontally near their base but then curve downwards. The petals are long and wide and arranged like the lateral sepals. The labellum is long, wide and white but with erect, narrow red teeth up to long on the sides.
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Caladenia microchila is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and about wide. Up to three white flowers long and wide are borne on a stalk tall. The sepals and petals have long, dark, reddish-brown, thread-like tips. The dorsal sepal is erect, long, about wide.
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Caladenia mesocera is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Usually only one greenish-yellow and red flower long and wide is borne on a stalk tall. The dorsal sepal is bent backwards, long and wide. The lateral sepals are long, wide and spread widely.
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Caladenia magnifica is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect leaf, long and wide. One or two reddish crimson, or yellow flowers streaked with crimson, wide are borne on a stalk tall. The sepals and petals have long, dark reddish, thread-like tips. The dorsal sepal is erect, long and wide.
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Diuris eborensis is a tuberous, perennial herb with between three and six linear, grass-like leaves long, wide. Up to four flowers wide are borne on a flowering stem tall. The flowers are pale yellowish with dark reddish-purple streaks and striations and lean slightly forwards. The dorsal sepal is long, wide and directed upwards at an angle.
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Kunzea micromera is a flowering plant in the myrtle family, Myrtaceae and is endemic to the south west of Western Australia. It is a small, sparse shrub, similar in some respects to K. micrantha but has shorter, more rounded sepal lobes. It produces groups of pink flowers on the ends of a few long shoots in spring.
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The dorsal sepal is long and wide, the lateral sepals long and wide and the petals are long and about wide. The labellum is about long and wide with three lobes. The side lobes are erect and the middle lobe turns downwards and has a ridge along its midline. Flowering occurs between August and October in Australia.
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Microtis media are deciduous, chlorophyllous, sympodial, tuberoid terrestrial orchids with a single, tubular leaf long that encloses the lower one-third to half of the flowering stem. The flowers are green, wide, arranged around an erect flowering stem high. The dorsal sepal forms a hood over the column and the petals face forwards. The lateral sepals are curled.
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Caladenia cristata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, erect, hairy leaf, long and about wide. It usually produces a single flower wide and long, on the end of a stalk tall. The flowers are greenish- yellow and red with a brownish labellum. The dorsal sepal is erect, lance- shaped and about long.
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The dorsal sepal is long, about wide and the lateral sepals are slightly longer. The petals are long, about wide. The labellum is white with a green patch, long, about wide with three lobes. The side lobes are more or less triangular and curve outwards and the middle lobe is blunt with a curved spur about long.
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There are up to eight resupinate flowers on a stalk high. The stalk is often surrounded by two or three loose, leaf- like bracts up to long. The dorsal sepal is lance-shaped, about long and forms a hood over the column. The lateral sepals are about the same length and the same size and shape as the petals.
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The leaves are often small when the orchid flowers, but increase in size to long and wide, turning bluish-green with reddish veins as they mature. There are up to three resupinate flowers on the end of a wiry stem high. The flowers are long and wide. The dorsal sepal is dished, long and curves over the labellum.
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Caladenia curtisepala was first formally described by David L. Jones in 1991 and the description was published in Australian Orchid Research. The type specimen was collected at Mount Kuring- gai. The specific epithet (curtisepala) is derived from the Latin words curtus meaning "short" and sepalum meaning "sepal" referring to the dorsal which is smaller than in similar orchids.
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Thelymitra cucullata is a tuberous, perennial herb with a single leaf long and wide. Between two and ten greenish cream-coloured to white flowers with purple blotches, wide are borne on a flowering stem tall. The sepals and petals are long and wide. The dorsal (top) sepal is wider and the labellum (the lowest petal) is narrower than the other sepals and petals.
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Their color varies from creamy white or pale yellow to various shades of pink and purple in some varieties. The lateral sepals are ovate and erect, the median sepal is slightly leaning forward. The labellum is trilobed, with small spots from orange to purple on the median lobe. The white spur is cylindrical and curved upward, longer than the ovary.
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Together, some of the results seen from CONAGUA and PROME included: working with 91 water utility companies in 25 Mexican States, 12 water utility companies recorded an increase in commercial usage by around 5%, and SEPAL, a utility company out of Jalisco, had a reduction their water usage while their company was still growing thus leaving more usage for those in need.
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The dorsal sepal is lance-shaped to egg-shaped, long and wide with dark lines. The lateral sepals are long, wide, free from, or partly joined to each other. The petals are linear in shape, green to purplish, long and wide. The labellum is white, broadly lance-shaped to egg-shaped, long, wide and turns sharply upwards at about 90° near its middle.
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The 'alba' varieties have petals and sepals of clear lime green with snow white lips. 'Albescen' varieties have sepals and petals of light green with very pastel spots and white lips with little or no color. The more common forms of c. aclandiae have sepal and petal background colors that range from clear green with dark spots to quite yellow with dark spots.
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The dorsal sepal is broadly egg-shaped, about long and wide. The lateral sepals are linear to lance-shaped, long, wide and spread apart from each other. The petals are lance-shaped to egg-shaped, about long and wide with darker edges and a pointed tip. The labellum is wedge-shaped, thick and fleshy, long and wide with slightly wavy edges.
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The dorsal sepal is broadly egg-shaped, about long and wide and concave. The lateral sepals are lance-shaped, about long and wide and spread widely apart. The petals are egg-shaped, about long and wide. The labellum is dark purplish red, egg-shaped with the narrower end towards the base, about long, wide and turns upwards near its middle.
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The flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is about long and wide with a sharply pointed tip and hairless margins. The lateral sepals are long and wide with a humped base. The petals are about long and wide with hairless edges and a small white gland on their tips.
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The dorsal sepal is elliptic to egg-shaped, about long and wide with three fine, dark lines. The lateral sepals are linear to lance-shaped, about long, and mostly joined to each other. The petals are linear in shape, about long and wide. The labellum is white, more or less oblong in shape, long, and turns sharply upwards near its middle.
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The floral cup is glabrous, long on a short pedicel. The sepals are triangular to broadly egg-shaped or almost round, long, the petals long and the stamens long. Flowering mainly occurs from November to January and the fruit is a broadly hemispherical capsule in diameter and that remains on the plant until it dies, the sepal remnants having fallen.
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The dorsal sepal is lance-shaped to egg-shaped, long, wide and concave. The lateral sepals are linear to lance-shaped, long, about wide and more or less parallel to each other. The petals are lance- shaped to narrow egg-shaped, long and wide. The labellum is egg-shaped to elliptic, about long, wide with purple hairs up to long on the sides.
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The ovary is about long and the petals are about long. The lateral sepals are about long, joined for most of their length and form the uppermost part of the flower. The dorsal sepal is egg-shaped to lance-shaped and about long. The labellum is sharply curved near its middle, often has a wavy edge and is covered with a raised callus.
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Caladenia arrecta is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf long and about wide. The inflorescence is a raceme, high with up to three flowers. The flowers are long, wide and red, yellow and green. The dorsal sepal is erect and the lateral sepals have prominently clubbed, glandular ends pointing obliquely downwards.
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Caladenia aurantiaca is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. There are one or two white, orange-tipped flowers on a thin, wiry, sparsely hairy spike high, each flower wide. The dorsal sepal is erect in the lower part but curves forward, partly covering the column. It is oblong, long and wide.
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The dorsal sepal is linear to egg-shaped, long and about wide. The lateral sepals are linear to lance-shaped, long, about wide and joined for about half their length. The petals are linear, to narrow lance-shaped, long and about wide. The labellum is pink or white, oblong to egg-shaped, long, wide and turns sharply upwards with slightly wavy edges.
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The dorsal sepal is egg- shaped, about long and about wide. The lateral sepals are linear to lance- shaped, about long, wide and spread apart from each other. The petals are egg- shaped, about long and wide with a pointed tip. The labellum is lance-shaped, thick and fleshy, about long, wide and sharply pointed with fine teeth along its edges.
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The dorsal sepal is egg- shaped to lance-shaped, long and turned downwards. The lateral sepals are linear to lance-shaped, long and free from each other. The petals are linear, to lance-shaped, long, white or with a reddish stripe with wavy margins. The labellum is white, egg-shaped, long, wide and turns sharply upwards with very wavy or ruffled edges.
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The dorsal sepal is about long, wide with hairless edges. The lateral sepals are about long, wide, free from each other and spread widely apart. The petals are linear in shape, about long and wide with hairless edges. The labellum is oblong to egg-shaped with the narrower end towards the base, thick and fleshy, about long and wide with a blunt tip.
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It has thick, leathery deeply segmented, wavy, bluish-grey leaves, which are coated in a layer of water- retaining wax. The sepal, petals and stamen have a similar structure and form to the red poppy (Papaver rhoeas), except the sepals are not hairy. It grows up to tall, on branched, grey stems. It blooms in summer, between June and October.
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Caladenia ornata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf, long and wide. One or two bright pink flowers, long and wide are borne on a stalk tall. The flowers have a greenish-pink back covered with glandular hairs and are sometimes white in the centre of the front. The dorsal sepal is erect, long and wide.
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Caladenia ovata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, very hairy linear leaf, long and wide. One or two red or yellow and red flowers are borne on a spike tall. The sepals have fine, club-like glandular tips. The dorsal sepal is long, about wide, turned backwards near it base, then erect or curving forwards.
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Caladenia parva is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf, long, wide and which often has red spots near its base. One or two greenish flowers with red stripes are borne on a spike tall. The sepals have thick, brown, club-like glandular tips long. The dorsal sepal curves forward and is long and about wide.
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The lateral sepals are oblong to lance-shaped, long, wide and end in a gland similar to the one on the dorsal sepal. The petals are long, about wide and taper to a point. The labellum is a broad egg-shape, curves forward, long and wide when flattened. The labellum is cream-coloured at its base but red nearer the tip.
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There is a glandular tip long on the end of the dorsal sepal and long on the lateral sepals. The petals are oblong, long, about wide and turned downwards near the ovary. The labellum is held horizontally, diamond-shaped, long and wide. The callus resembles a large black ant surrounded by thin, stalked glands and covers most of the labellum.
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The lateral sepals are oblong to lance-shaped, long, wide and end in a gland similar to the one on the dorsal sepal. The petals are long, wide and taper to a point. The labellum is a broad egg-shape, curves forward, long and wide when flattened. The labellum is cream-coloured with red veins and a dark red tip, sometimes entirely red.
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There is a glandular tip long on the end of the dorsal sepal and long on the lateral sepals. The petals are narrow oblong, long, about wide and turn downwards towards the ovary. The labellum is broadly spatula-shaped, long and wide. There is a shiny black, insect-like callus about long and wide near the base of the labellum.
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Chiloglottis pluricallata is a terrestrial, perennial, deciduous, herb with two elliptic to oblong leaves long and wide on a petiole long. A single green to reddish pink flower long is borne on a flowering stem high. The dorsal sepal is erect, narrow spatula- shaped, long and wide. The lateral sepals are linear, long, about wide, turn downwards and away from each other.
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The stout, ~3 dm long, terminal peduncle is covered with rough imbricate sheathes and ends in a short raceme of green flowers. The dorsal sepal is obovate, and the lateral sepals are oblong. The two petals are linear-subcuneate. The subrotund lip has two calli at the base, and is tridentate at the apex; the middle tooth is smaller than the lateral teeth.
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The ovate obtuse sepals are 5 mm long, with the lateral sepals larger than the dorsal sepal. The linear petals are also 5 mm long. As with other members of the genus Epidendrum, the lip is adnate to the column to its apex. The lip is heart- shaped where it diverges from the column, ovate, and obtuse at the apex.
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The dorsal sepal is egg-shaped to round, about long and wide and forms a hood over the column. The lateral sepals are oblong, less than long and spread apart from each other. The petals are egg-shaped and concave and the labellum is oblong to egg-shaped. Flowering occurs from September to December and is stimulated by fire the previous summer.
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The lateral sepals are long, about wide with their tips rolled under. The petals are lance-shaped but curved, about long, wide and are held under the dorsal sepal. The labellum curves downwards and is long, about wide with scalloped edges and a notch at the tip between two prominent lobes. There is an irregularly-shaped callus in the centre of the labellum.
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Microtis angusii is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between twenty and sixty green flowers are arranged along a flowering stem tall. The flowers are long and wide. The dorsal sepal is long, about wide and the lateral sepals are a similar length but narrower with their tips rolled under.
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The dorsal sepal is long and about wide with hairless edges and darker coloured bands. The lateral sepals are about long and about wide, with a humped base and a sharply pointed tip. The petals are about long and about wide with hairless edges and a sharply pointed tip. The labellum is egg-shaped, about long and wide, thick and fleshy.
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Microtis brownii is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between five and fifty green to yellowish-green and white flowers are well-spaced along a flowering stem tall. The flowers are scented, about long and wide. The dorsal sepal is about long, wide and forms a hood over the column.
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Microtis quadrata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between twenty and one hundred pale, yellowish-green flowers are crowded along a flowering stem tall. The flowers are long and wide. The dorsal sepal is long and wide and forms a hood over the rest of the flower.
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They have three sepals and three petals, one of which is modified to form a lip. There is one dorsal sepal pointing downwards and two lateral sepals pointing up. The two normal petals are small, narrow and strap-shaped and curve back around the sepals. The short, triangular lip is dark green with paler stripes and points upwards and forwards.
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Peristylus chlorandrellus is a tuberous, perennial herb with between four and seven dark green, succulent leaves forming a rosette around the stem. The leaves are long and wide. Between six and thirty six green flowers long and wide are borne on a flowering stem tall. The dorsal sepal is about long and wide, forming a partial hood over the column.
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Habenaria rumphii is a tuberous, perennial herb with six or seven leaves on the lower part of the stem. The leaves are linear to lance-shaped, long, wide and stiffly pointed. Between ten and thirty white flowers long and wide are borne on a flowering stem tall. The dorsal sepal and petals overlap at their bases and form a hood over the column.
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The dorsal sepal is about long and wide and the lateral sepals are slightly longer and spread apart from each other. The petals are a similar length to the sepals but narrower. The labellum is long and about wide and has three lobes. The middle lobe is long and but the side lobes are only about half as long and wide.
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Microtis orbicularis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, almost tubular leaf long and about wide. Between three and thirty yellowish-green and reddish flowers are well spaced along a flowering stem , reaching to a height of tall. The flowers are about long and wide. The dorsal sepal is egg-shaped, long and wide.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The petals have a wide, transparent flange on their outer edges. The lateral sepals turn downwards, long, wide and joined for part of their length with greenish-yellow tips. The labellum is insect-like, long, about wide, with a dark green mound on the "head" end.
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The sepals are green, usually tinged with purple and form a tube wide with two lobes. The lower sepal lobe is long and the upper lobe long. The petals are pale lavendar to almost white with reddish or purple blotches inside, long, forming a tube long. The lower central lobe is long and the upper lobes are long with a central notch long.
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Pterostylis sinuata, is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a rosette of wavy-edged leaves in diameter lying flat on the ground. Between two and twenty or more yellowish-green flowers long and wide are arranged on a flowering spike high. The dorsal sepal and petals are joined to form a hood called the "galea" over the column.
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The floral cup is long and more or less glabrous. There are egg-shaped bracts long, about wide and paired bracteoles at the base of the flowers. The sepal lobes are triangular to egg-shaped, about long and pointed. The petals are pink to mauve, rarely white, egg-shaped to almost round, about long and there 30 to 40 stamens which are long.
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Dendrobium fellowsii is an epiphytic or lithophytic herb that has upright, cylindrical dark purplish pseudobulbs long and wide. There are between two and five dark green leaves long and wide. The flowering stems are long and bear between two and seven resupinate, pale green or yellowish flowers long and wide. The dorsal sepal is egg-shaped, long and about wide.
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Pterostylis alata is a terrestrial, perennial, deciduous, herb with an underground tuber and when not flowering, a rosette of dark green, wrinkled leaves, long and wide. Flowering plants have a single flower long and wide borne on a spike high. The flowers are white with dark green stripes. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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The flowers are green and white near their bases and brownish nearer the tip. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The galea is erect near its base but then curves forward. The lateral sepals are erect, held closely against the galea with narrow tips about long that do not project above the galea.
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The dorsal sepal is much longer than the petals and gradually tapers to a point. There is a wide gap between the galea and the lateral sepals. The lateral sepals are erect and have narrow tips long and a deep V-shaped sinus between them. The labellum is long, wide, brown and curved and half of it protrudes through the sinus.
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Each flower nods, with its pointed center aimed at the ground when fresh, and becomes more erect with age. It has four or five reflexed sepals in shades of pink, lavender, or white which lie back against the body of the flower. Each sepal base has a blotch of bright yellow. From the corolla mouth protrude large dark anthers surrounding a threadlike stigma.
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The dorsal sepal is long, wide and the lateral sepals are a similar length but about twice as wide. The petals are long and wide. The labellum is white with reddish purple markings, about long and wide with three lobes. The side lobes are upright and triangular and the middle lobe is rounded with a central ridge and tangled hairs along its edges.
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Sarcochilus argochilus is a small epiphytic herb with sparsely branched stems long with between two and eight leaves. The leaves are dark green, thin but rigid, oblong, long and wide. Between two and twelve bright green to yellowish green flowers long and wide are arranged on a flowering stem long. The sepal are long and wide whilst the petals are shorter and narrower.
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Caladenia aperta is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, hairy leaf, long and wide. Usually only one bluish-mauve flower about long and wide is borne on a stalk tall. On rare occasions the flower is white and the bluish flowers are a lighter colour on the outside. The dorsal sepal is erect, long and wide.
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Caladenia ashbyae is a terrestrial, perennial, deciduous, herb with an underground tuber and a single flat leaf, long, wide which is often withered when the flower opens. One or two pale bluish-mauve flowers long and wide are borne on a stalk tall. The flowers are strongly scented and on rare occasions they are white. The dorsal sepal is erect, long and wide.
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Caladenia macrostylis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. One or two red, yellow and pale green flowers with red markings and long and wide are borne on a stalk tall. The sepals have thick brown club-like glandular tips long. The dorsal sepal is erect, long and about wide.
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Broad asymmetric lateral sepals, dorsal sepal lowered. Extended petals, yellow or with a blue-grey or brown spotted velvety macula. Pollinated by male Andrena bees. This species is notable among Ophrys for the fact that the pollinating bees sit on the labellum facing away from the pollinaria instead of facing towards them, and thus collect the pollinaria with their abdomen.
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The dorsal sepal curves forward and downward with a thread-like tip long. The lateral sepals are held closely against the galea with erect, thread-like tips long. The sinus between the lateral sepals bulges forward and has a V-shaped notch in the centre. The labellum is long, about wide, dark brown, slightly curved and protrudes above the sinus.
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The flowers are usually arranged in clusters of between five and fifteen flowers on the ends of the branches. The floral cup is about long and glabrous. The sepal lobes are broadly triangular, long and pointed. The petals are white to cream-coloured, more or less round to egg-shaped, about long and there are about fifty stamens which are long.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The galea is dark green with darker green lines and a brown, tapered tip. The lateral sepals turn downwards and are long, wide and joined for about half their length. The labellum is long, about wide and brown with a dark stripe along its mid-line.
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Pterostylis sp. aff. alata (New England) is a species of orchid endemic to New South Wales but which has not yet been formally described. Non-flowering plants have a rosette of leaves but the flowering plants have a single flower with leaves on the flowering spike. This greenhood has a white flower with green markings and a brown-tipped dorsal sepal.
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Microtis oligantha, commonly known as the small onion orchid is a species of orchid endemic to New Zealand. It has a single thin, hollow, onion-like leaf and up to ten small green flowers. It differs from the other two onion orchids in New Zealand, (M. unifolia and M. parviflora) in being a much smaller plant with a more pointed dorsal sepal.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The galea is curved with a pointed tip turning downwards. The lateral sepals turn downwards and are about long, wide, cupped and joined for most of their length. The labellum is about long, about wide and whitish-green with a dark green appendage.
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Microtis globula is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between eight and thirty five greenish-yellow flowers are arranged along a flowering stem tall. The flowers are almost globe-shaped, about long and wide. The dorsal sepal is egg-shaped to almost round, about long and wide and hood-like.
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The lateral sepals are triangular, about long, wide and curved with their upper edge partly overlapping the dorsal sepal. The petals are egg- shaped, about long, wide and are surrounded by the sepals. The labellum is long, about wide and lacks an obvious callus. Flowering occurs from December to January but only after a hot or late fire the previous summer.
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Pterostylis aphylla is a terrestrial, perennial, deciduous, herb with an underground tuber. Non-flowering plants have a rosette of dark green leaves long and wide. Flowering plants have up to five moderately crowded green and white flowers with a dark brown tip, on a flowering spike, . The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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Pterostylis aquilonia is a terrestrial, perennial, deciduous, herb with an underground tuber and when not flowering, a rosette of light green leaves long and wide. Flowering plants have a single flower long and wide borne on a spike high. The flowers are white, green and reddish-brown. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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The dorsal sepal curves forward and ends with a short point. The lateral sepals are erect with thread-like ends long with their tips bent forwards. The lateral sepals are held closely against the galea and there is a broad, flat, platform-like sinus between their bases. The labellum is long, about wide and brown and slightly protrudes above the sinus.
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Dendrobium affine is an epiphytic herb with cylindrical green pseudobulbs long and wide with between two and ten leaves on its upper half. The leaves are long and wide. The flowering stem is long and bears between two and twenty white flowers long and wide. The sepals are long, and wide with the lateral sepals slightly wider than the dorsal sepal.
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The flowers are borne singly in leaf axils on a hairy stalk usually long. The sepals are joined to make a bell-shaped tube with unequal lobes. The surface of the sepal tube is variable, sometimes glabrous or more or less covered with glandular hairs. The petals are mostly long and are joined at their lower end to form a tube.
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Diuris chrysantha is a tuberous, perennial herb with one or two linear leaves long, wide and folded lengthwise. Between two and seven deep golden to orange-coloured flowers with brown markings and wide are borne on a flowering stem tall. The dorsal sepal is erect, egg-shaped, long and wide. The lateral sepals are linear to spatula-shaped, long, wide and turned downwards.
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Corybas despectans, commonly known as the tiny helmet orchid or sandhill helmet orchid is a species of terrestrial orchid endemic to southern Australia. It has round or heart-shaped leaf and a tiny reddish purple flower. Unlike many others in the genus, the dorsal sepal does not cover the labellum. It is similar to C. incurvus but the flowers are smaller.
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There are 5 green to purple sepals which are hairy, lance- shaped to egg-shaped at first but enlarge as the flowers develop. After flowering, the sepal become heart-shaped and long. The petals are long and joined at their lower end to form a tube. The petal tube is purple to lilac- coloured outside and white with purple spots inside.
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The dorsal sepal is long and about wide and the lateral sepals are a similar size and fused to each other. The petals are long, wide and turn forwards. The labellum is long, about wide and turns sharply upwards near its middle, the upturned part with slightly wavy edges. A broad callus covers most of the labellum, reaching almost to its tip.
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Corybas fordhamii is a terrestrial, perennial, deciduous, herb with a single egg- shaped to heart-shaped leaf long and wide. The leaf is green on the upper surface and bluish green on the lower side. There is a single reddish to reddish purple flower long which leans forward on a stalk long. The dorsal sepal is spoon-shaped, long and wide.
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The dorsal sepal is long, about wide and turns downwards. The lateral sepals are a similar length, about wide and spread apart from each other. The petals are a linear in shape and similar in size to the sepals. The labellum is more or less round to heart-shaped, long and wide with the tip folded backwards and smooth edges.
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Liparis habenarina is a terrestrial, deciduous herb with two underground pseudobulbs, each of which lasts for one season. There are usually three, thin, pleated, egg-shaped leaves and wide with five obvious veins. Between eight and twenty two brownish to purplish flowers, long and wide are borne on an upright flowering stem long. The dorsal sepal is long, wide and turns downward.
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The sepals are about long and wide, the dorsal sepal turned stiffly downwards and the lateral sepals spread apart from each other with their tips turned downwards. The petals are about long and wide with their tips turned down. The labellum is horseshoe-shaped, long and about wide with a blunt tip and smooth edges. Flowering occurs between January and April.
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Pterostylis elegantissima is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of leaves in diameter. Flowering plants have up to eight, well-spaced flowers long and wide on a flowering stem high. The flowers are green, white and black or brown. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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Pterostylis exserta is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of leaves in diameter. Flowering plants have up to seven, well-spaced flowers long and wide on a flowering stem high. The flowers are transparent green and white with brownish veins. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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The dorsal sepal is lance-shaped to egg-shaped, long and about wide. The lateral sepals are long, about wide, free and more or less parallel to each other. The petals are linear to lance-shaped, long, about wide and curve forwards. The labellum is lance-shaped to egg-shaped, long, about wide and turns sharply upwards near its middle.
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The sepals and petals are linear to lance-shaped near their base then narrow to a brownish-red, thread- like glandular tip. The dorsal sepal is erect to slightly curved forward, long and wide. The lateral sepals are long and wide and spread horizontally near the base, then droop. The petals are long and about wide and arranged like the lateral sepals.
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Diuris maculata is a tuberous, perennial herb with two or three linear leaves long, wide and folded lengthwise. Between two and eight flowers wide are borne on a flowering stem tall. The flowers are yellow with dark brown to blackish spots on all flower parts, sometimes on the reverse side. The dorsal sepal is erect or curved forwards, long and wide.
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Diuris laevis, commonly known as the nanny goat orchid, is a rare species of orchid that is endemic to the south-west of Western Australia. It has between four and eight leaves and up to six pale yellow flowers which usually have reddish-brown markings. It has an unusually short dorsal sepal and wide labellum and is relatively common between Bunbury and Albany.
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The dorsal sepal is egg- shaped, about long and about wide. The lateral sepals are lance-shaped, about long, wide, fused at the base then free from each other and curved downwards. The petals are egg-shaped, long and wide with a pointed tip. The labellum is egg-shaped, thick and fleshy, long, wide with fine teeth along its edges.
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The dorsal sepal is egg-shaped, long, wide, forms a hood over the labellum and has three prominent, red veins. The central vein projects forward to a point long at the front of the flower. The lateral sepals are long, about wide, project forwards below the labellum, sometimes crossed, sometimes parallel. The petals are about long, about wide, lance-shaped and pointed.
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The dorsal sepal is erect, long and wide and the lateral sepals are a similar size. The petals are long and wide and spread fan-like with the lateral sepals. The labellum is long, wide and has three distinct lobes. The lateral lobes usually have three red stripes and the middle lobe has between four and ten short teeth on the sides.
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The dorsal sepal is erect, the lateral sepals are wide and the petals are wide. The labellum is white, long with narrow teeth long and the column is and wide. The relatively narrow sepals and petals and the small labellum, together with the distribution of this subspecies, distinguish it from others in the same species. Flowering occurs from August to mid-September.
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The dorsal sepal is erect, long, wide and the lateral sepals are long and wide, spread apart and curve stiffly downwards. The petals are long, wide and curve stiffly downwards. The labellum is long and wide, and greenish cream-coloured. The sides of the labellum turn upwards and have dark red, linear teeth up to long, and the tip curves downwards.
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Narrow-lipped hammer orchids have a spine on the column. The sepal at the back of the flower is long and the two at the sides are . The petals are also long. The insect-like labellum has a "head" about one-half to one-third long as the "body", is densely hairy and has two dark maroon lumps at its base.
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The sepal at the back of the flower is long and the two at the sides are . The petals are also long. The insect-like labellum has a "head" about one-third long as the "body" and which is mostly hairy. The rest of the labellum (representing the female "body" of the insect) is dark maroon in colour and glabrous.
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Caladenia postea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three pale creamy white flowers with red markings and long, wide are borne on a stalk tall. The sepals and petals have long, thin, brown, thread-like ends. The dorsal sepal is erect, long and about wide.
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The lateral sepals are about the same size as the dorsal sepal, held horizontally near their bases then turn downwards and droop. The petals are long, wide and arranged like the lateral sepals. The labellum is long, wide and creamy-white with pale red lines and spots. The sides of the labellum have short, blunt teeth and the tip is curled under.
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Icones Pleurothallidinarum XIII - Systematics of Restrepia. Missouri Botanical Garden, Missouri; 168 p, 16 color plates, 63 line drawings; The flowers develop one at a time at the base of the leaf. They are borne on a slender peduncle, originating from the base of the back of the leaf. The long dorsal sepal is erect and ends in a somewhat thicker club-shaped tip.
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Three species (sodiroi, decussata/neisseniae, and papillosa) may have up to three simultaneously open flowers on a single stalk. In general, though, if there is more than one flower bud on the raceme, they open up with long intervals. These flowers have a weird aspect, due to the long tails on each sepal. The petals are small and somewhat thickened.
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The sepal at the back of the flower is long and the two at the sides are . The petals are also long. The insect-like labellum has a head about one-quarter as long as the body and its stalk. Collections were made and photographs taken in September or the first week of October, reflecting the most likely flowering period.
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Habenaria triplonema is a tuberous, perennial herb with between two and three bright green leaves. The leaves are long and wide. Between eight and twenty five fragrant, greenish yellow and white flowers, long and wide are borne on a flowering stem tall. The dorsal sepal is about long and wide and the lateral sepals are slightly wider and spread apart from each other.
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Caladenia infundibularis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and about wide. Up to three greenish-yellow flowers long and wide are borne on a stalk tall. The dorsal sepal is erect, long and wide. The lateral sepals are long, wide and have thin, yellowish-brown, club-like glandular tips long.
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The sepal at the back of the flower is long and the two at the sides are . The petals are also long. The insect-like labellum has a head about half as long as the body and is hairy for at least half its length. The "body" of the labellum is dark-coloured, slightly swollen and has a few hairs.
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Diuris venosa is a tuberous, perennial, terrestrial herb, with three to five erect, thread-like leaves long and wide. There are up to four flowers arranged on a raceme high, each flower about wide. The flowers are white to lilac-coloured with many purple lines and blotches. The dorsal sepal is broadly egg-shaped, long, wide and forms a hood over the column.
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Caladenia sigmoidea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and about wide. Usually only one red and cream- coloured flower, long and wide is borne on a stalk tall. The sepals and petals have thick, brown, club-like glandular tips long. The dorsal sepal is erect, long and about wide.
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Caladenia roei is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and about wide. Up to three greenish-yellow and red flowers long, wide are borne on a stalk tall. The sepals have thick, yellowish-brown, club-like glandular ends long. The dorsal sepal is erect, long, about wide and often curves gently forward.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide and the petals are long and wide. The lateral sepals and petals are linear to lance-shaped in the lower quarter of their length, then suddenly taper to downcurved, narrow ends. The labellum is white, long and wide with narrow teeth up to long on the sides.
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Caladenia magniclavata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and about wide. Up to three pale yellow-green and red flowers long and wide are borne on a stalk tall. The sepals and petals have thick, slightly flattened, club-like glandular tips long. The dorsal sepal is erect, is long and wide.
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Caladenia splendens is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three mostly white flowers long and wide are borne on a stalk tall. The sepals and petals have long, brownish thread-like tips and often have red lines on their backs. The dorsal sepal is erect, long and wide.
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Caladenia macrostylis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three pale greenish-yellow and red flowers long and wide are borne on a stalk tall. The sepals and petals have dark, club-like glandular tips long. The dorsal sepal curves forward over the column and is long and wide.
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Melaleuca brevisepala was first formally described in 1992 by John Dawson in Flore de la Nouvelle-Calédonie et Dépendances as Callistemon brevisepalus. In 1998 it was transferred to the genus Melaleuca by Lyndley Craven and John Dawson in the journal Adansonia. The specific epithet (brevisepala) is from the Latin words brevis meaning "short" and sepalum meaning "sepal" referring to the short calyx lobes.
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Diuris palustris is a tuberous, perennial herb with a tuft of between eight and ten twisted, linear leaves long, wide and folded lengthwise. Up to four flowers wide are borne on a flowering stem tall. The flowers are yellow with dark brown spots and blotches. The dorsal sepal is erect, curved backwards near the tip, egg- shaped, long and wide.
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Diuris picta is a tuberous, perennial herb with between three and five leaves at its base, each leaf long and wide. Up to eight creamy-white to yellow flowers with brownish purple markings, long and wide are borne on a flowering stem tall. The dorsal sepal curves upwards, long and wide. The lateral sepals are long, wide and turned downwards.
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The shrub has a spindly, erect to spreading and procumbent form, typically growing to a height of . The leaves are typically in length. It blooms between September and October producing small white petal flowers with a diameter of approximately that appear in dense cluster of about 20 flowers. Each flower contains about 10 stamens, one opposite each sepal and petal.
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The lateral sepals are linear to lance-shaped, wider than the dorsal sepal, spread widely and taper to a point. The petals are a similar shape to the sepals but narrower and about long. The labellum is brownish-red with a smooth edge and curves downward near the tip. There are densely crowded, tall, red-tipped calli in the centre of the labellum.
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Diuris secundiflora is a tuberous, perennial herb with a single leaf about long, wide and folded lengthwise. Between two and eight yellow flowers about wide are borne on one side of a flowering stem about tall. The dorsal sepal curves backwards, long, about wide and egg-shaped to spatula-shaped. The lateral sepals are linear, long, about wide and turned downwards.
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The back surface of the sepals and petal is a covered with glandular hairs and is a lighter shade of pink. The dorsal sepal is erect, oblong to lance-shaped, long and wide. The lateral sepals are long, wide and spread widely. The petals are long and wide, spread widely and sometimes have a few irregular teeth on the sides.
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The sepals and petals are relatively short, greenish-white with red lines and dark glandular tips. The dorsal sepal is erect and the lateral sepals and petals usually curve downwards and cross each other. The labellum is pale white, relatively broad and has smooth to slightly toothed edges. Along its centre line there are two rows of white or pale red-tipped calli.
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Adenochilus, commonly known as gnome orchids is a genus of two species of flowering plants in the orchid family Orchidaceae, one endemic to New Zealand and the other to Australia. Both species have a long, horizontal, underground rhizome with a single leaf on the flowering stem and a single resupinate flower with its dorsal sepal forming a hood over the labellum and column.
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Eriochilus petricola is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a single, egg-shaped to almost round, dark green leaf long and wide with prominent veins and usually a hairy upper surface. Up to three white to pale pink flowers are borne on a slender spike up to tall. The dorsal sepal is long and about wide.
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Caladenia campbellii is a terrestrial, perennial, deciduous, herb which grows singly or in small groups. It has an underground tuber and a single, sparsely hairy, narrow linear, dark green leaf, long and wide. There are one or two flowers in diameter borne on a fairly thick (about ), sparsely hairy spike high. The dorsal sepal is long, about wide and oblong to narrow egg-shaped.
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The dorsal sepal is narrow egg-shaped to lance-shaped, long, about wide and turned downwards. The lateral sepals are linear to lance-shaped and about long. The petals are linear, about long, wide and spread widely apart from each other. The labellum is broadly lance-shaped to egg-shaped, about long, turns upwards with its tip projecting between the lateral sepals and has a wavy edge.
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The dorsal sepal is about long and wide with hairless edges and a sharply pointed tip. The lateral sepals are about long, wide, turn downwards and spread widely apart from each other. The petals are about long, wide with hairless edges and a small white gland on the tip. The labellum is long, wide, thick and fleshy with many short hairs on the sides.
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The laterals sepals are a similar size and shape to the dorsal sepal but are erect and spread apart from each other. The petals are long and spread apart or curve inwards. The labellum is white, often with a pink tinge, long and slightly crinkled with a central, greenish callus. Flowering occurs from September to January and is more prolific after fire the previous summer.
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The dorsal sepal is about long and wide with hairless edges and a sharply pointed tip. The lateral sepals are about long, wide and spread widely apart from each other. The petals are about long and wide with hairless edges and a sharply pointed tip. The labellum is elliptic in shape, about long, wide, thick and fleshy with hairy edges and a pointed tip.
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The sepals tend to stay green for a longer time than the petals. As the flower ages further it goes from white to yellowish and then from orange to brown as it begins to wilt. As the wilting progresses the dorsal sepal bends down and then the lateral sepals bend inward with the lip remaining fairly stationary. Finally the entire flower closes in on itself.
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The lateral sepals are long and the petals are about long, all in close contact with the labellum. The labellum is about as long as the dorsal sepal, tube-shaped and has three lobes. There are crowded rows of pink to red calli about long in a ridge about wide around the edge of the labellum. Flowering occurs from early May to mid June.
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There is a glandular tip about long on the sepals. The petals are linear to lance- shaped, long, about wide and spread widely apart from each other. The labellum is heart-shaped, long and wide with six to eight rounded dark red, green, reddish or blackish calli. The column is erect, almost as long as the dorsal sepal with broad wings on the upper half.
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Chiloglottis pluricallata is a terrestrial, perennial, deciduous, herb with two elliptic leaves long and wide on a petiole long. A single reddish to purplish brown flower long and wide is borne on a flowering stem high. The dorsal sepal is egg-shaped with the narrower end towards the base, long and wide. The lateral sepals are long, about wide and taper towards their ends.
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There is a glandular tip long on the end of the dorsal sepal and about long on the lateral sepals. The petals are lance-shaped, long, about wide and spread apart from each other. The labellum is broadly heart-shaped, long and wide. There are about twelve erect, linear, reddish to blackish glands on a wrinkled callus long covering two-thirds of the labellum near its base.
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Chiloglottis platyptera is a terrestrial, perennial, deciduous, herb with two elliptic to oblong leaves long and wide on a petiole long. A single greenish brown flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, more or less erect, about long and wide. The lateral sepals are linear, long, about wide, spread apart from each other and curve downwards.
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The hooded dorsal sepal is long, wide and covers and hides most of the rest of the flower. The lateral sepals and petals are long and similar in appearance to each other. The labellum is much smaller than the petals and lateral sepals and is undivided, with its margins turned inwards. The thin column is wider at the base and has fused wings along its body.
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Chiloglottis grammata is a terrestrial, perennial, deciduous, herb with two leaves long and wide. A single greenish purple to purple flower long and wide is borne on a flowering stem high. The dorsal sepal is broadly egg-shaped to spatula-shaped with the narrower end towards the base, long and wide. The lateral sepals are linear to lance-shaped, long, about wide and taper towards their tips.
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There is a glandular tip about long on the tip of the dorsal sepal and long on the lateral sepals. The petals are narrow lance-shaped, long, wide and spread apart from each other. The labellum is elliptic to egg-shaped, long and wide with a black, ant-like callus with a large stalked "head" gland in the lower part. Flowering occurs from August to November.
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Chiloglottis gunnii is a terrestrial, perennial, deciduous, herb with two leaves long and wide. A single green to purplish brown flower long and wide is borne on a flowering stem high. The dorsal sepal is egg-shaped to spatula-shaped with the narrower end towards the base, long and wide. The lateral sepals are linear to lance- shaped, long, about wide and taper towards their tips.
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The lateral sepals are oblong to lance-shaped, long, about wide and end in a gland similar to the one on the dorsal sepal. The petals are long and taper to a point. The labellum is heart- shaped, curves forward, long and wide when flattened. The labellum has three yellowish-green lobes, reddish in the central part, the middle lobe with about 7 pairs of broad teeth.
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Chiloglottis triceratops is a terrestrial, perennial, deciduous, herb with two leaves long and wide. A single greenish brown to purplish brown flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped to egg-shaped with the narrower end towards the base, long and wide. The lateral sepals are linear to narrow lance-shaped, long and about wide.
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Caladenia attenuata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf. The flowers are less than in diameter and are borne on a spike up to high. The flowers are white with a dorsal sepal that curves forwards, forming a hood over the column. The mid-lobe of the labellum has a smooth edge but the surface is wrinkled.
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Caladenia atrochila is a terrestrial, perennial, deciduous, herb which grows singly or in small, loose groups. It has an underground tuber and a single, sparsely hairy, narrow linear, dull green leaf, long and less than wide. There are one or two flowers in diameter borne on a fairly thick, hairy spike high. The dorsal sepal is erect, long, about wide, and narrow egg-shaped.
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Aphyllorchis queenslandica is a leafless, terrestrial mycotrophic herb that has a thin, fleshy purple flowering stem long with white flecks. The plants lack true leaves but have colourless, leaf-like bracts on the flowering stem, each bract long and wide with three longitudinal, parallel veins. There are between six and twelve resupinate, dull yellow flowers long and wide. The dorsal sepal is long, about wide.
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Microtis alba is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between ten and sixty green and white flowers are arranged along a flowering stem tall. The flowers have a strong musky fragrance, lean downwards and are long and wide. The dorsal sepal is long, about wide and forms a hood over the column.
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Spathoglottis plicata is an evergreen, terrestrial herb which forms tall clumps. It has crowded pseudobulbs long and wide, each with three or four pleated leaves long and wide on a stalk long. Up to forty deep pink to purple resupinate flowers long and wide are borne on a hairy flowering stem tall. The dorsal sepal is long and the lateral sepals are slightly narrower.
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The dorsal sepal is spoon-shaped and bulbous, long, wide and smaller than the labellum. The lateral sepals are white, narrow linear, long and the petals are similar but only half as long. The labellum is about long, entirely purple and tube-shaped with the opening pointing downwards and forwards and about wide. There are a few small teeth on the edge of the labellum.
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Peristylus banfieldii is a tuberous, perennial herb with between four and six leaves with wavy margins at its base. The leaves are long and wide, the largest leaves uppermost. Between fifteen and fifty cream-coloured to yellow, cup-shaped flowers about long and wide are borne on a hairy flowering stem tall. The dorsal sepal is about long and wide, partly forming a hood over the column.
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The lateral sepals are lance-shaped, long, about wide and turn back with their tips clasping the ovary. The petals are about long, wide and are partly enclosed by the dorsal sepal. The labellum is oblong, long, about wide and parallel to the ovary with a saddle-shaped callus in its centre. Flowering occurs from December to January but only after fire the previous summer.
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Microtis eremicola is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between twenty and fifty dull green to yellowish-green flowers are crowded along a flowering stem tall. The flower lean downwards and are long and wide. The dorsal sepal is long and wide and forms a hood over the rest of the flower.
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Microtis graniticola is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between twenty and sixty green to yellowish-green flowers are crowded along a stiff, rigid flowering stem tall. The flowers lean downwards and are long, wide with an ovary long. The dorsal sepal is egg- shaped, long, about wide and hood-like.
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The dorsal sepal is gently curved but suddenly curves downward near the tip and is about the same length as the petals. The lateral sepals turn downwards, long, wide and fused together forming a cup with tips about long and parallel to each other. The labellum is about long and wide, and pale green with a dark green, beak-like appendage. Flowering occurs in October and November.
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Thelymitra juncifolia is a tuberous, perennial herb with a single channelled, dark green thread-like to lance-shaped leaf long and wide. There are up to five greyish blue to light blue flowers with relatively large darker blue spots on the dorsal sepal and petals. The flowers are wide and are borne on a flowering stem tall. The sepals and petals are long and wide.
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The dorsal sepal has a thread-like tip 10–25 mm long. The lateral sepals are held closely against the galea, have an erect, thread-like tip 15–30 mm long and a V-shaped sinus between their bases. The labellum is about 4 mm long, 2 mm wide, greenish, thick, straight and not visible from outside the flower. Flowering occurs from March to June.
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The dorsal sepal curves forward with a pointed tip. There is a wide gap between the galea and the lateral sepals. The lateral sepals are swept back, have thread-like tips 13–18 mm long and a bulging sinus between them. The labellum is 12–14 mm long, about 3 mm wide, dark green to brown, blunt, and curved and protrudes above the sinus.
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Pterostylis dubia, is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a rosette of leaves which are long, wide and have a stalk. Flowering plant have a single dark green and white flower long and wide is borne on a flowering stem tall with stalkless stem leaves. The dorsal sepal and petals are joined, forming a hood called the "galea" over the column.
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The dorsal sepal curves forward with a narrow point long and is brownish near the tip. The lateral sepals are held closely against the galea, have erect, thread-like tips long and a broad V-shaped sinus between their bases. The labellum is long, about wide, brown and curved and protrudes above the sinus. Flowering occurs from May to August but mainly in June and July.
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Bulbophyllum boonjee is an epiphytic herb with crowded, flattened, pale green pseudobulbs long and wide. Each pseudobulb has a single stiff, pale green leaf, long and wide. Between two and four bell-shaped maroon flowers with darker stripes, long and wide are arranged on a thread-like flowering stem long. The dorsal sepal is long and wide, the lateral sepals a similar length but twice as wide.
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Diuris filifolia is a tuberous, perennial herb, growing to a height of with between six and thirteen leaves, each long and wide. There are between two and seven pale yellow flowers with reddish-brown markings and long, about wide. The dorsal sepal is more or less erect, tapers towards the tip, long, wide. The lateral sepals are long, wide and turned downwards and forwards.
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In the centre of the blade, some of the rhizomatous irises have a "beard" (a tuft of short upright extensions growing in its midline),Lorraine Harrison which are the plant's filaments. The three, sometimes reduced, petals stand upright, partly behind the sepal bases. They are called "standards". Some smaller iris species have all six lobes pointing straight outwards, but generally limb and standards differ markedly in appearance.
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Pterostylis auriculata is a terrestrial, perennial, deciduous, herb with an underground tuber and has four glossy green leaves on the flowering stem. The leaves are lance-shaped, long, wide and the uppermost leaf is usually higher than the flower. There is a single glossy green flower with reddish tips. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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Pterostylis aneba is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of three to five egg- shaped leaves surrounding the base of the flowering stem. Each leaf is long and wide. A single green and white flower about long is borne on a spike up to high. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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The dorsal sepal is the same length as the petals and curves forward with a pointed tip. There is a gap between the galea and the lateral sepals. The lateral sepals are erect and have thread-like tips 15–20 mm long and a slightly bulging V-shaped sinus between them. The labellum is long, about wide, green or brown and curved and protrudes above the sinus.
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Aphyllorchis anomala is a leafless terrestrial, mycotrophic herb that has a fleshy, brittle, shiny dark purple flowering stem with between four and twenty white flowers with purple markings. The flowers are long and wide. The dorsal sepal is long, about wide and forms a hood over the column. The lateral sepals are a similar size, turn slightly downwards and spread widely apart from each other.
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Pterostylis clivicola, is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a rosette of between five and eight egg-shaped leaves, each leaf long and wide. Flowering plants have the rosette at the base of a flowering stem high with between three and fourteen translucent green flowers with dark green lines. The dorsal sepal and petals form a hood or "galea" over the column.
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The petals are smaller than the sepals, thin and are spread below or under the dorsal sepal. As is usual in orchids, one petal is highly modified as the central labellum. The labellum is egg-shaped to oblong and hangs or is curved against the ovary. The sexual parts of the flower are fused to the column, which is shaped like half a cylinder.
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Pterostylis brumalis, commonly known as the kauri greenhood or winter greenhood, is a species of orchid endemic to New Zealand. There is a rosette of leaves at the base of both flowering and non-flowering plants. Flowering plants have a white flower with narrow green stripes and a dorsal sepal which bends forward strongly while the petals spread widely, giving the flower a cobra-like appearance.
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The dorsal sepal and petals are joined to form a hood called the "galea" over the column. The galea is transparent green with darker green lines and a brown or green, tapered tip. The lateral sepals turn downwards and are long, wide and joined for about half their length. The labellum is long, about wide and light brown with a dark stripe along its mid-line.
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Dendrobium callitrophilum is an epiphytic herb with pseudobulbs long and wide. There are one or two thin, leathery leaves long and wide. One or two flowering stems long bear up to six greenish yellow resupinate flowers that become apricot- coloured as they age. The sepals spread widely apart from each other, the dorsal sepal long, about wide and the laterals long and about wide.
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Caladenia nikulinskyae is a terrestrial, perennial, deciduous, herb with an underground tuber and a single flattened leaf, long and about wide. One or two pale blue flowers long and wide are borne on a stalk tall. The dorsal sepal is erect, long and wide and the lateral sepals and petals have similar dimensions. The labellum is long, wide and pale bluish-mauve and white.
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Sarcochilus parviflorus is an epiphytic, rarely lithophytic orchid with sparsely branched stems long with between two and eight leaves. The leaves are dark green, rigid, egg-shaped to narrow oblong, long and long wide. The flowering stems are long and bear between two and twelve bright green to yellowish green flowers long and wide. The sepal are long and wide whilst the petals are narrower.
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The flowers are usually borne singly in leaf axils on a stalk, long. There are 5 reddish-purple sepals which differ from each other in size and shape. The largest sepal is long and is egg-shaped while the smallest ones are long and are narrow egg-shaped to lance-shaped. The petals are mostly long and are joined at their lower end to form a tube.
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Diuris brevissima is a tuberous, perennial herb with two linear leaves about long, wide and folded lengthwise. Between two and nine light yellow flowers with reddish-brown markings, about wide are borne on a flowering stem up to tall. The dorsal sepal is erect, broadly egg- shaped, long and wide. The lateral sepals are linear, about long, wide, turned downwards and parallel to each other.
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Diuris bracteata is a tuberous, perennial herb with two linear leaves long, wide and folded lengthwise. Between two and eight, usually three yellow flowers with blackish markings, wide are borne on a flowering stem tall. There are about five curved, linear bracts along the flowering stem. The dorsal sepal is more or less erect, egg-shaped, long and wide with two brown blotches near the base.
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The flowers are the largest of all Australian orchids and are reddish brown on the inside, white on the outside. The sepals are long, wide, the dorsal sepal angled upwards and the lateral sepals spread widely apart from each other. The petals are a similar size to the sepals. The labellum is long, wide, has three lobes and ranges in colour from yellow to bright purple.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The base of the galea is inflated and the top is narrow with a sharply-pointed end. The lateral sepals are held closely against the galea and have narrow tips long and a V-shaped sinus between their bases. The labellum is long, about wide and curved, and protrudes above the sinus.
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Brachypeza archytas has short stems which are obscured by aerial roots. It has four or five strap-like leaves long, wide and arranged like the blades of a fan. A large number of crowded, short-lived, white flowers long and wide are arranged on an arching flowering stem long. The dorsal sepal is about long and wide, the lateral sepals about long and wide.
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Caladenia picta is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, linear leaf, long and . A single flower long and wide is borne on a stalk tall. The sepals and petals are white to pink on the front, greenish- white on the back and spread fan-like. The dorsal sepal is erect or slightly curved forward, long and wide.
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The labellum is usually simple, but is occasionally bifurcated at the tip of the midrib. The labellum of Corsia is similar in appearance to the labellum of some orchids, but is not homologous to them; in orchids the labellum is formed from an inner tepal (petal), but in Corsiaceae it forms from an outer tepal (sepal). In Corsia, unlike the orchids, all six stamens are fertile.
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Diuris concinna is a tuberous, perennial herb, usually growing to a height of , although often up to when surrounded by sedges. Between three and five linear leaves emerge at the base, each leaf long and wide. Up to five pale yellow flowers with brown markings, wide are borne on a flowering stem tall. The dorsal sepal is more or less erect, egg-shaped, long and wide.
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Pterostylis abrupta is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of dark green, crinkled leaves, each leaf long and wide. A single flower long and wide is borne on a stalk high. The flowers are dark green, white and brown. The dorsal sepal curves forward with a thread-like tip long and with the petals forms a hood or "galea".
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Diuris fragrantissima is a tuberous, perennial herb with two linear leaves long, wide and folded lengthwise. Up to twelve white flowers with mauve or pale purple markings, wide are borne on a flowering stem tall. The dorsal sepal is erect, egg-shaped, long and wide. The lateral sepals are narrow lance-shaped, long, about wide, turned downwards at an angle and almost parallel to each other.
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The petals are bright yellow and 7–12 by 3–4 mm, and there are generally two petals for every sepal. There are 50-60 stamens, the longest of which are 5–10 mm and which have amber anther glands. The ovaries measure 1.5 by 1 mm and are ovoid, and there are 3 styles 3 that are 4 mm long and are diverging.
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Corybas recurvus is a terrestrial, perennial, deciduous, herb with a single thin, round or broad heart-shaped leaf long and wide. The leaf is green on the upper surface and silvery green on the lower side. There is a single dark reddish purple or purplish black flower long and wide which leans backwards. The dorsal sepal is long, wide and curves forward over the labellum.
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Corybas montanus is a terrestrial, perennial, deciduous, herb with a single heart-shaped to almost round leaf long and wide. The leaf is bluish green with whitish veins on the upper surface and shiny greenish purple on the lower side. The flower is reddish to reddish purple, long and leans downwards. The dorsal sepal is long and wide and curved, expanding to a dished egg-shape.
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The flowers are the largest of all Australian orchids and are white on the outside, sulfur yellow on the inside. The sepals are long, wide, the dorsal sepal angled upwards and the lateral sepals spread widely apart from each other. The petals are a similar size to the sepals. The labellum is long, wide, has three lobes and ranges in colour from yellow to bright purple.
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Corybas fimbriatus is a terrestrial, perennial, deciduous, herb with a single broad egg-shaped to round leaf long and wide. The leaf is dark green on the upper surface and silvery green on the lower side. There is a single dark reddish purple to crimson flower with translucent patches. The dorsal sepal is long and wide and concave, partly forming a hood over the labellum.
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Corybas incurvus is a terrestrial, perennial, deciduous, herb that has a broad egg-shaped to heart-shaped leaf long and wide. The leaf is dark green on the upper surface and silvery green on the lower side. The single flower is dark purple, long and wide. The dorsal sepal is greenish with purple markings, long, wide and curves forward forming a hood over the labellum.
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The labellum is longer than the dorsal sepal and forms a tube about long near its base, before curving and flattening into a concave dish shape, long and wide. The upper part of the labellum is reddish purple grading to white from the centre down. There are teeth or serrations up to long around the edges of the labellum. Flowering occurs in July and August.
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The dorsal sepal is lance- shaped to egg-shaped, long and wide. The lateral sepals are linear to lance- shaped, long, wide and joined for about half their length. The petals are linear, curved, long and wide. The labellum is white, lance-shaped to egg- shaped, long, wide and turns upwards through less than 90° near its middle, and the upturned part has crinkled or wavy edges.
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The dorsal sepal is erect and curved forward, linear but tapered, long and about wide. The lateral sepals are linear, long, wide and curve forwards or downwards. The petals are similar in size and shape to the lateral sepals and curve forwards or slightly downwards. The labellum is oblong, long and wide and slopes slightly downwards with a few serrations near its pointed tip.
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Cyrtostylis huegelii is a terrestrial, perennial, deciduous, herb with a single, almost round, ground-hugging leaf long and wide. Up to fifteen green and fawn-coloured or dull red flowers long and about wide are borne on a flowering stem high. The dorsal sepal is erect and curves forward, long and about wide. The lateral sepals are long, about wide and curve forwards or downwards.
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Corybas abditus is a terrestrial, perennial, deciduous, herb with a single heart-shaped or egg-shaped leaf long and wide. The leaf is bluish green with three whitish veins on the upper surface and purplish on the lower side. A single reddish purple flower long is borne on a stalk about high. The largest part of the flower is the dorsal sepal which is long and wide.
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Corybas abellianus is a terrestrial, perennial, deciduous, herb with a single heart-shaped to almost round leaf long and wide. The leaf is dark green with silvery white veins on the upper surface and reddish on the lower side. The reddish purple flower is long and wide and leans downwards. The largest part of the flower is the dorsal sepal which is long and wide.
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The four sepal lobes are about long and the four petals are long and covered with short, branched hairs. In common with other zierias there are only four stamens. Flowering occurs from November to May and is followed by fruit which is a glabrous follicle composed of up to four sections joined at the base and which burst open to release their seeds when ripe.
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As with others in the genus the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is egg-shaped, long, wide and sharply pointed. The lateral sepals are linear to lance-shaped, about long, wide, have an expanded base and diverge from each other. The petals are egg- shaped, about long, wide with a pointed tip.
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The dorsal sepal is lance-shaped to narrow egg-shaped, long and about wide. The lateral sepals are egg-shaped to lance-shaped, long, wide, free and slightly spreading from each other. The petals are brown with whitish edges, oblong, long and about wide. The labellum is whitish, oblong to egg-shaped, long, wide and turns sharply upward at 90° about half-way along.
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The dorsal sepal is gently curved but suddenly curves downward near the tip and is about the same length as the petals. The lateral sepals turn downwards and are about long, wide, fused together for most of their length and cup-shaped with their tips about apart. The labellum is about long, wide and whitish-green with a dark green, appendage. Flowering occurs from October to December.
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The flowers do not open widely, and as with others in the genus are inverted so that the labellum is above the column rather than below it. The dorsal sepal is lance-shaped to egg-shaped, long and about wide. The lateral sepals are linear to lance-shaped, long, about wide, free and slightly spreading from each other. The petals are oblong, long and about wide.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The petals have a wide, transparent flange on their outer edges. The lateral sepals turn downwards and are joined for most of their length before tapering to triangular tips. The labellum is insect-like and hairy with a dark green mound on the "head" end and a dark green mid-line.
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Dendrobium crumenatum produces upright, sympodial, pseudobulbs long and wide that are swollen at the first three or four lower nodes. The middle portion of the pseudobulb has two rows of leathery, oblong to egg-shaped leaves long and wide. Top portion of the pseudobulb bears pure white flowers long and wide. The dorsal sepal and petals are long and wide, the lateral sepals slightly longer and wider.
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The dorsal sepal is linear to elliptic, long, about wide and the lateral sepals are a similar length but lance-shaped and slightly narrower. The petals are slightly shorter than the sepals and all are free from each other with their tips strongly curved backwards. The labellum is dark purplish red and projects forwards, long, wide with a narrow central band of mauve hairs up to long.
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The floral cup is top-shaped, about long, covered with short, soft hairs with a swelling beneath each sepal. The sepals are white to pale or deep pink, long, spreading with 5 to 7 lobes which have long, spreading hairs. The petals are egg-shaped to almost round, pale to deep pink, long and spreading, edged with short teeth. The style is fairly straight, long and glabrous.
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The dorsal sepal is about long, wide and has a pointed tip. The lateral sepals are lance-shaped, about long, wide, turn downwards and are free from each other. The petals are egg-shaped, long, about wide with a small white gland on the tip. The labellum is narrow oblong, about long, wide with a callus in its centre and extending almost to its tip.
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Chiloglottis trullata is a terrestrial, perennial, deciduous, herb with two ground-hugging, dark green, oblong to elliptic leaves long and wide on a petiole long. A single green or pinkish flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, long and about wide. The lateral sepals are linear, long, about wide and curve downwards and away from each other.
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Its flowers are known to have a strong scent similar to that of human semen. The flower have bell-shaped sepal split into five lobes, and around 20 stamens. Ovary contain two to four locules, with one ovule in each locule. The tree produces high amount of bright, red colored fruits that are small pomes with diameters ranging from , each containing one to four seeds.
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Dipodium elegantulum is a tuberous, perennial, saprophytic herb. Between August and December it produces a flowering stem tall bearing between twenty and sixty flowers. The flowers are pale to dark pink with a few darker spots and streaks near the tips and wide. The dorsal sepal is linear to lance-shaped, long, wide and the lateral sepals are a similar shape but slightly longer and narrower.
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The dorsal sepal curves forward and is long and about wide. The lateral sepals are long, wide, and curve downwards. The petals are long and wide and arranged like the lateral sepals The labellum is long, wide and white or cream coloured. The sides of the labellum curve upwards and have erect teeth up to long on their sides and the tip of the labellum curves downwards.
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The pseudobulb bears one or two small leathery or fleshy leaves. The flowers are small (or larger, in the case of Hormidium sophronitis), born on a short raceme. The floral bracts are small. The sepals are of equal lengths, partially closed or completely open, the dorsal sepal free at the rear and the lateral sepals adnate to the base of the column forming a small "ladle".
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Caladenia pusilla is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, sparsely hairy leaf, long, wide. A single flower long and wide is borne on a relatively thick spike tall. The flower is pink with a brownish-pink back and often a white centre. The dorsal sepal is erect at its base but curves forward and is long and wide.
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The labellum is greenish-white with red or brown markings and a red tip. There is a dense band of calli along the centre of the labellum. Flowering occurs between August and October and is followed by a non-fleshy, dehiscent capsule containing a large number of seeds. This orchid is similar to Caladenia doutchiae but has shorter sepal tips and a more southerly distribution.
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Habenaria xanthantha is a tuberous, perennial herb with two or three upright leaves, long and wide. Between eight and twenty white flowers, long and wide are borne on a flowering stem tall. The dorsal sepal is about long, wide and with the petals, forms a hood over the column. The lateral sepals are long, about wide and spread apart from each other and turn downwards.
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Caladenia pumila is a terrestrial, perennial, deciduous, herb with an underground tuber and a single fleshy, erect, hairy leaf, long, wide, with reddish spots near the base. A single white flower wide and with pale pink stripes is borne on a spike tall. The sepals have thick green or brownish club-like glandular tips about long. The dorsal sepal curves forward and is long and wide.
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The sepals, but usually not the petals, end with yellowish-brown, club-like glandular tips long. The dorsal sepal is erect but curves forward slightly, long and about wide. The lateral sepals are long and about wide and held close to horizontal, sometimes with a drooping tip. The petals are long and about wide, held like the lateral sepals and usually lack club-like tips.
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Caladenia praecox is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf, long and wide. Up to four white flowers which are often tinged with green or pink, are borne on a spike tall. The backs of the sepals and petals have dark red glandular hairs. The dorsal sepal is long, wide and curves forward, forming a hood over the column.
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The flowers are bright white, about in diameter and are arranged in groups of 15 to 30 in leaf axils and the groups are usually longer than the leaves. The sepal have four lobes and there are four petals. In common with other zierias, there are only four stamens. Flowering mainly occurs from August to October but flowers are often seen at other times.
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The flowers are white to pale pink and are arranged in groups of about nine in leaf axils but there can be as many as fifty in a group. The groups are usually about as long as the leaves but are sometimes much longer. The four sepal lobes are triangular, glabrous and about long. The four petals are about long and covered with short, soft hairs.
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Caladenia incrassata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and about wide. Usually a single greenish-yellow and red flower long and wide is borne on a stalk tall. All three sepals have thickened, club- like pinkish to yellowish glandular tips. The dorsal sepal is erect or sometimes curved forwards, long and about wide.
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Habenaria praecox is a tuberous, perennial herb with between two and four upright leaves, long and wide. Between three and thirty five green and white flowers, long and wide are borne on a flowering stem tall. The dorsal sepal is green, about long, wide and forms a hood over the column. The lateral sepals are about long, wide, curved and spread apart from each other.
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Caladenia longicauda subsp. crassa is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. Up to three, mostly white flowers long and wide are borne on a spike tall. The dorsal sepal and the lateral sepals are long and linear to lance-shaped for about one-third their length then narrow to a thread-like, drooping tip.
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Caladenia verrucosa is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide with reddish-purple blotches near its base. A single yellowish- green flower about across and with central red stripes is borne on a spike tall. The sepals have bright yellow, club-like glandular tips long. The dorsal sepal is erect, long and about wide.
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Goodyera umbrosa, commonly known as the native jade orchid or green jewel orchid, is a species of orchid that is endemic to a small area in Queensland where it grows in highland rainforest. It has between four and eight large, egg-shaped leaves and up to ten small pale green or pinkish flowers with the dorsal sepal and petals forming a hood over the column.
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Diuris orientis is a tuberous, perennial, terrestrial herb, usually growing to a height of . There are up to three leaves arising from the base of the plant, each leaf linear to narrow lance-shaped, long, wide and channelled. There are up to 6 yellow flowers with reddish brown, purplish and mauve markings on a raceme high. The dorsal sepal is erect, broadly egg-shaped, long and wide.
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The ovary is a shiny green oval shape, long at 45° to the flowering stem. The dorsal sepal is egg-shaped to lance-shaped, long, about and points forwards then downwards. The lateral sepals are linear to lance-shaped, long, about wide and joined to each other. The petals are more or less linear in shape, long, about wide and have a pink or purplish stripe.
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Caladenia lorea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three cream, pink and red flowers, long and wide are borne on a stalk tall. The sepals and petals have thin, light brown, club-like glandular tips, long. The dorsal sepal is erect, long and wide and the lateral sepals are long and wide.
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The dorsal sepal is erect, long and wide. The lateral sepals are long and wide, the petals are long and wide and all spread horizontally near their bases then turn slightly downwards. The labellum is white, long, wide with narrow teeth, up to long along its edges. There are usually two or four rows of pale red calli up to long in the centre of the labellum.
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The dorsal sepal is erect, long and about wide. The lateral sepals are long and wide and the petals are long and about wide. The lateral sepals and petals are linear to lance-shaped in the lower half of their length, then suddenly taper to thin, drooping ends. The labellum is white, long and wide with narrow teeth up to long on the sides.
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Caladenia saggicola is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. One or two flowers wide are borne on a stalk tall. The flowers are white with very pale reddish lines and the sepals and petals have long, grey to blackish, thread- like tips. The dorsal sepal is long and wide with a long, drooping tip.
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The flowers are cream-coloured to pale yellow with dark red lines and blotches. The dorsal sepal is erect, long, wide and curves slightly forwards. The sepals and petals are linear to lance-shaped near their base, then suddenly narrow to a dark brown, thread-like tip covered with glandular hairs. The lateral sepals are long, wide and spread widely but with drooping tips.
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The flowers are dull creamy-white to pale yellow with dark red lines and blotches. The dorsal sepal is erect, long, wide and curves slightly forwards. The sepals and petals are linear to lance-shaped near their base, then suddenly narrow to a purplish-black, thread-like tip covered with glandular hairs. The lateral sepals are long, wide and spread widely but curving downwards.
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The dorsal sepal is erect and the lateral sepals and petals spread stiffly near their bases, then turn downwards. The labellum is pink, long, wide, the sides have many spreading teeth up to long and there are four or more rows of crowded, deep red calli along its centre. Flowering occurs from September to late October. This subspecies differs from subspecies applanata in having pink flowers.
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Caladenia maritima is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, almost glabrous, linear leaf, long and wide. One or two white flowers long and wide are borne on a stalk tall. The backs of the sepals and petals are greenish with a dark line along the centre. The dorsal sepal is erect, sometimes curving backwards and is long and wide.
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Prasophyllum parvifolium is a terrestrial, perennial, deciduous, herb with an underground tuber and a single smooth green, tube-shaped leaf long and about in diameter. Between six and eighteen or more flowers are arranged on a flowering spike high. The flowers are green and white with red stripes, about long and wide. The dorsal sepal is broad and the lateral sepals and petals face forwards.
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Bark is greenish-grey, peeling and leaving smooth, concave, rounded depressions. Oppositely arranged, or whorled leaves have very short stalks, and are oval to obovate, smooth, with a small hairy gland in the axils of the veins on the underside, 6–8 in long, by about 3 in broad. Flowers appear singly at the end of branches. Sepal cup is bell-shaped, segments or teeth very irregular.
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Diuris pedunculata is a tuberous, perennial herb with two erect, linear to thread-like leaves long and wide. One or two pale yellow flowers with an orange labellum, wide are borne on a flowering stem tall. The dorsal sepal is narrow egg-shaped, angled upwards, long and wide. The lateral sepals are lance-shaped with the narrower end towards the base, long, about wide and angled downwards.
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Diuris tricolor is a tuberous, perennial herb with up to three linear leaves long, wide and folded lengthwise. Between two and six orange-coloured to yellow flowers with white and purplish tints, wide are borne on a flowering stem tall. The dorsal sepal curves upwards, long, wide and broadly egg-shaped. The lateral sepals are narrow linear, long, much less than wide and turned downwards.
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Diuris purdiei is a tuberous, perennial herb with between five and ten spirally twisted leaves in a tuft near its base. Each leaf is long, wide. Up to eight pale yellow flowers with reddish brown or purplish markings near the centre, long and wide are borne on a flowering stem tall. The dorsal sepal is more or less erect or curved backwards, long and wide.
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Caladenia denticulata subsp. rubella is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf long and wide. One or two flowers are borne on a stem high and each flower is long and wide. The dorsal sepal is erect, long and wide at the base, linear to lance-shaped and has a drooping, dark brown, thread-like glandular tip.
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The flowers are borne singly or in groups of 3 in leaf axils on a branched peduncle long, with branches (pedicels) long. There are 4 deep red, pointed sepal lobes, each long and 4 deep pink petals long and wide. There are 8 curved stamens tipped with yellow anthers. Flowering occurs mainly from September to November but flowers are often present in other months.
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An illustration of an anemone Anemone are perennials that have basal leaves with long leaf-stems that can be upright or prostrate. Leaves are simple or compound with lobed, parted, or undivided leaf blades. The leaf margins are toothed or entire. Flowers with 4–27 sepals are produced singly, in cymes of 2–9 flowers, or in umbels, above a cluster of leaf- or sepal-like bracts.
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Caladenia congesta is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, linear leaf, long and wide. Up to three bright pink flowers are borne on a spike high. The sepals and petals are lance-shaped, spreading, with dark red glandular hairs on their backs, the petals narrower than the sepals. The dorsal sepal curves and forms a hood over the column.
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Eriochilus valens is a terrestrial, perennial, deciduous, herb with an underground tuber and a single egg-shaped leaf long and wide. The leaf is held above the ground on a thin stalk high. Up to four white or pink flowers about long and wide are borne on a stem, tall. The dorsal sepal is egg-shaped with the narrower end towards the base, long and wide.
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The dorsal sepal is narrow egg-shaped, about long and wide with prominent red lines and sparsely hairy edges. The lateral sepals are about long, wide, turn downwards and spread widely apart from each other. The petals are narrow egg-shaped, about long, wide with prominent stripes and hairy edges. The labellum is purple, narrow egg-shaped, about long, wide, with many hairs up to on its edges.
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The dorsal sepal is reddish, about long and wide with hairless edges and a sharply pointed tip. The lateral sepals are about long, wide and have a small white gland on the tip. The petals are about long, wide and reddish with hairless edges and a sharply pointed tip. The labellum is reddish, narrow elliptic in shape, about long, wide, with irregular edges and a sharply pointed tip.
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Caladenia catenata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, linear leaf, long and wide. There are one or two flowers borne on a slender, sparsely hairy spike high. The sepals and petals are glistening white, rarely pink and are sparsely hairy on the lower part of their backs. The dorsal sepal is linear to oblong, erect or slightly curved forward and is long.
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As with others in the genus, the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is egg-shaped, long and about wide. The lateral sepals are joined along their sides and the petals are linear to egg-shaped, about long and wide. The labellum is egg-shaped to broad lance-shaped, long, about long and white or greenish.
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Caladenia australis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, long and wide. There is usually only a single flower on a thin, wiry, sparsely hairy spike high, each flower wide. The dorsal sepal curves forward or droops over the rest of the flower. All three sepals are long, wide and taper to a thin end with dark red, club-like glands.
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Spiranthes australis is a terrestrial, perennial, deciduous, herb with between three and ten linear to lance-shaped or spatula- shaped dark green leaves which are long and wide. Between ten and sixty bright pink flowers are crowded and spirally arranged along a flowering spike tall. The flowers are long and wide, ranging from deep pink to pure white. The dorsal sepal is lance-shaped to egg-shaped, long and wide.
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The dorsal sepal curves forward with a thread-like tip 12–16 mm long. The lateral sepals are held closely against the galea, have erect, thread-like tips 35–45 mm long and a relatively flat, slightly protruding sinus between their bases. The labellum is 20–25 mm long, about 4 mm wide, reddish-brown, blunt, and curved and protrudes beyond the sinus. Flowering occurs from January to April.
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Pterostylis oliveri is a terrestrial, perennial, deciduous, herb with an underground tuber. Flowering plants have between three and five spreading leaves which are long and wide, grading from narrow egg-shaped near the base to lance-shaped near the top. There is a single green and white flower on a flowering stem tall. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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Pterostylis oblonga is a terrestrial, perennial, deciduous herb with an underground tuber. Both flowering and non-flowering plants have a rosette of dark green leaves, each leaf long and wide. Flowering plants have a single greenish brown and white flower long and wide on a flowering stem high. The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the galea with a dark brown tip.
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The dorsal sepal is linear to egg- shaped, about long, wide and reddish-purple with darker bands. The lateral sepals are linear to lance-shaped, about long, wide and spread widely apart from each other. The petals are linear to egg-shaped, about long and wide with dark bands. The labellum is linear to egg-shaped, long, about wide with a few coarse, blackish hairs up to long on its edges.
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Corybas undulatus is a terrestrial, perennial, deciduous, herb with a single leaf long and wide. The leaf is greyish green on the upper surface and silvery green or reddish on the lower side. There is a single translucent grey flower with purplish red and white markings, long and wide which leans backwards. The dorsal sepal is spatula-shaped to egg-shaped with the narrower end towards the base, long and wide.
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Chiloglottis chlorantha is a terrestrial, perennial, deciduous, herb with two elliptic leaves long and wide on a petiole long. A single green to yellowish green flower long and wide is borne on a flowering stem high. The dorsal sepal is egg-shaped with the narrower end towards the base, long and wide. The lateral sepals are green, long, about wide and erect near the base before curving downwards.
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Chiloglottis anaticeps is a terrestrial, perennial, deciduous, herb with two narrow elliptic to egg-shaped leaves long and wide on a petiole long. A single green to reddish brown flower long and wide is borne on a flowering stem high. The dorsal sepal is long, about wide with a narrow glandular tip a further long. The lateral sepals are linear, long, about wide and curve downwards with a glandular tip long.
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Caladenia orientalis is a terrestrial, perennial, deciduous, herb with a small, spherical, underground tuber and a single leaf, long and wide. One or two creamy-white to yellowish-green flowers are borne on a stalk tall. The sepals and petals taper to thin brown to black tips. The dorsal sepal is erect, long, about wide and the lateral sepals are long, wide and spread away from each other.
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There is a glandular tip long on the dorsal sepal and long on the lateral sepals. The petals are lance-shaped to oblong, long, about wide and turn downwards against the ovary. The labellum is broadly egg-shaped to diamond-shaped, long and wide. Most of the upper surface of the labellum is covered by a dark blackish red, insect-like callus of stalked and clusters of stalkless glands.
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Caladenia amoena is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, densely hairy, lance-shaped leaf, long and wide which often has purplish blotches near its base. A single flower (rarely two) is borne on a spike high. The dorsal sepal is erect, linear to narrow lance-shaped, long and about wide. It is narrower near the end which terminates in a glandular structure about long.
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Caladenia anthracina is a terrestrial, perennial, deciduous, herb with an underground tuber surrounded by a fibrous covering. A single hairy, dull green, lance-shaped leaf, long and wide appears above ground in May or June, following rain. A single flower, in diameter is borne on a densely spike high. The dorsal sepal is erect, linear to oblong, long, wide and tapers near the end to a thick, black tip.
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The dorsal sepal is egg-shaped to lance-shaped, long and wide. The lateral sepals are green, long, about wide and joined to each other for about half their length. The petals are green or purplish, linear to lance-shaped, long, about wide and spread widely. The labellum is white or pinkish-purple, broadly egg- shaped or arrow-head shaped, long, wide, turns upwards and has a slightly wavy edge.
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The dorsal sepal is narrow oblong, about long, wide and turns downwards. The lateral sepals are egg-shaped, about long and wide and curve around the labellum. The petals are a linear in shape and similar in size to the sepals. The labellum is broadly egg-shaped, about long and wide with three blunt teeth on the end, the middle one longest and with a deeply pouched base.
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The lower sepal is lanceolate and about long by about wide. The 2 upper petals are blue to indigo in colour, while the much smaller lower petal is white. The upper two petals measure long by wide, while the lower petal is long by about wide. The 2 upper petals are composed of a claw about long and a broadly ovate limb with an acute apex and a cuneate- cordate base.
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The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The galea is tall, erect near its base then suddenly curves to about horizontal with a blunt or slightly pointed end. The lateral sepals are fused near their bases, almost closing the front of the flower and have erect, thread-like tips much taller than the galea. The labellum is not visible outside the intact flower.
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The middle, upright sepal is pinkish on the inside with scarlet veins. The petals, which are very much smaller than the sepals, are erect colored yellow with red spots at their tops, but pale scarlet at their bases. It blooms during the summer months, particularly in January, but continuing into March. Its pollination is one of the most complex of all the orchids, involving the mountain pride butterfly, Aeropetes tulbaghia.
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As with others in the genus, the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is green with a brownish tip, lance-shaped to egg-shaped, long and wide. The lateral sepals are greenish with brown marks, lance-shaped, long, wide and free from each other. The petals are green with a dull brown stripe, linear to oblong, long and wide.
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Diuris dendrobioides is a tuberous, perennial herb with one or two linear leaves long, wide and folded in half lengthwise. Between two and six pale lilac-coloured to mauve flowers with darker markings and wide are borne on a flowering stem high. The dorsal sepal is egg-shaped, long, wide angled upwards with curled edges. The lateral sepals are linear to lance-shaped, long, wide, and turn downwards.
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It has a trigonal (or triangular), ovary, which is 0.8–1 cm long. It has a 1–2 cm long style, which has linear crests and wavy (crenate) edges. The style arm guides bumblebees to the lower section of the sepal, to reach the nectar. After the iris has flowered, between late June to late July, it produces a roundly triangular, or ovoid, seed capsule, which are covered by the spathes.
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Microtis familiaris is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between ten and twenty green to greenish-yellow flowers are well spaced along a flowering stem tall. The flowers are long, about wide and are sweetly scented. The dorsal sepal is egg- shaped with a small point on the tip and is long, wide and hood-like.
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This greenhood was first formally described in 2006 by David Jones and given the name Bunochilus stenosapalus. The description was published in Australian Orchid Research from a specimen collected in Conimbla National Park. In 2010, Gary Backhouse changed the name to Pterostylis stenosepala. The specific epithet (stenosepala) is derived from the Ancient Greek word stenos meaning "narrow" and the New Latin word sepalum meaning "sepal", referring to the narrow lateral sepals.
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The lateral sepals are oblong, long, about wide with their tips rolled downwards. The petals are oblong, about long, wide and are enclosed by the dorsal sepal. The labellum is oblong, long, about wide and curves downwards with thickened, wavy edges and a notched tip. The callus in the centre of the labellum is variable in shape, but never comma-shaped as in the otherwise similar M. eremicola.
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Microtis pulchella is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, smooth, tubular leaf long and wide. Between five and twenty five thinly textured, white flowers are arranged along a flowering stem long, reaching to a height of . The flowers are lightly perfumed, long and wide and droop as they age. The dorsal sepal is egg-shaped, long, about wide and flat or slightly concave.
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The flowers are a little more than 1 cm across, with green sepals and petals, and a white lip with purple spots. The sepals are oblong-obtuse, 1 cm long, and 3–4 mm wide; the falcate revolute lateral sepals are slightly shorter and wider than the plicate dorsal sepal. The linear petals are much narrower than the sepals. The deeply trilobate lip is adnate to the column to its apex.
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Pterostylis timorensis, is a terrestrial, perennial, deciduous, herb with an underground tuber. Plants have a rosette of three or four bright, dark green leaves, each leaf long and wide with a petiole long. Flowering plants have a single green, white and reddish-brown flower about long on a flowering stem high. The dorsal sepal and petals are joined to form a hood called the "galea" over the column.
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Pterostylis falcata is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of three to six bright green leaves surrounding the base of the flowering stem. Each leaf is lance-shaped to egg-shaped, long and wide. A single dark green and white flower long and wide is borne on a spike high. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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The dorsal sepal is erect, long and wide and the lateral sepals are long, wide and spread stiffly. The petals are long and wide, and spread like the lateral sepals. The labellum is long and wide and has a few short teeth on its sides and there are two rows of yellowish calli in its centre. Flowering occurs from late September to November, most prolifically after fire the previous summer.
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Sarcochilus ceciliae is a lithophytic herb that forms small clumps on rocks. It has an erect, branching stem long with between four and ten channelled, spotted linear leaves long and wide. Between three and twenty pale to bright pink, cup-shaped flowers long and wide are arranged on a flowering stem long. The dorsal sepal is long, about wide and the lateral sepals are a similar length or slightly longer.
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The lateral sepals and petals have about the same dimensions as the dorsal sepal although the lateral sepals are slightly wider. The labellum is long and wide and reddish- mauve with darker bars. The sides of the labellum curve upwards but without surrounding the column. The labellum has a white and yellow down-curved tip and there are two rows of stalked yellow calli along the mid-line of the labellum.
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Caladenia caerulea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy leaf, long, wide and which usually lies flat on the ground. A single pale to dark blue, rarely white flower long and wide is borne on a stalk tall. The dorsal sepal is erect, long and about wide. The lateral sepals and petals are long, wide and spread like the fingers of a hand.
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The flowers are white to pale pink and are arranged in groups of between three and twenty or more in leaf axils. The four sepal lobes are about long and hairy on the outside. The four petals are about long, wide and in common with other zierias, there are only four stamens. Flowering occurs in spring and is followed by fruit which is a glabrous follicle dotted with oil glands.
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Bulbophyllum teretifolium is an epiphytic herb with pseudobulbs long and wide. Unique to the genus, the leaves are cylindrical in shape, long and about wide. Between 19 and 37 white and purplish pink flowers are borne on a thin flowering stem long, each flower on a pedicel (including the ovary) long. The dorsal sepal is oval, long, about long and slightly warty, the lateral sepals long and about wide.
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Dendrobium adae is an epiphytic or lithophytic herb that has wiry, cylinder-shaped pseudobulbs long and wide and between two and four dark green leaves long and wide. The flowering stem is long and bears up to six resupinate white or greenish to apricot-coloured flowers long and wide. The dorsal sepal is erect, oblong, long and wide. The lateral sepals are a curved triangular shape, long and about wide.
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Zeuxine exilis is a terrestrial, tuberous, perennial herb with three or four light green, lance-shaped leaves, long and wide. Between ten and thirty resupinate, dull reddish flowers with white petals, about long and wide are crowded on a thin, hairy flowering stem tall. The outside surface of the flowers is hairy. The dorsal sepal is about long, wide and overlaps the petals forming a hood over the column.
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Caladenia venusta is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf, 100–180 mm long and 8–12 mm wide. One or two white to cream-coloured flowers 80–120 mm wide are borne on a spike 200–600 mm high. The sepals and petals have rather thick, brown thread-like tips. The dorsal sepal is erect, 60–100 mm long and 2–4 mm wide.
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Diuris arenaria is a tuberous, perennial herb with two linear to lance-shaped leaves long, wide and folded lengthwise. Up to nine mauve or light purple and white flowers wide are borne on a flowering stem tall. The dorsal sepal is more or less erect, egg-shaped, long and wide. The lateral sepals are greenish, narrow lance-shaped, long, wide, turned downwards and parallel to each other or crossed.
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The flowers are borne singly in leaf axils on a S-shaped stalk long and at least twice as long as the longest sepal. There are 5 egg-shaped to triangular, slightly overlapping sepals mostly long which are slightly hairy and sticky. The petals are long and joined at their lower end to form a tube. The petal tube is red, orange or sometimes yellow and lacks spots.
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Diuris brumalis is a tuberous, perennial herb, usually growing to a height of . Two or three leaves emerge at the base of the flowering stem, each leaf long and wide. Between three and fifteen yellow and brown flowers are borne on the flowering stem and each is long and wide. The dorsal sepal is erect, long and wide and the greenish lateral sepals are long, about wide and turn downwards.
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Pterostylis scitula is a terrestrial, perennial, deciduous, herb with an underground tuber and when not flowering, a rosette of leaves in diameter. Flowering plants have a single green and white flower long and wide on a flowering stem high. There are between two and four stem leaves long and wide on the flowering stem. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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Arthrochilus aquilus is a terrestrial, perennial, deciduous, sympodial herb with an underground tuber which produces daughter tubers on the end of root-like stolons. It has between two and five dark green leaves at its base, each leaf long and wide. Between three and fifteen insect-like flowers long are borne on a flowering stem tall. The dorsal sepal is long, about wide and the lateral sepals are long and wide.
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Plants in the genus Habenaria are mainly terrestrial plants with fleshy tubers and upright, tall, thin or fleshy stems. The leaves are either arranged in a rosette at the base of the plants or scattered up the stem. The flowers are resupinate, usually small, white, green or yellowish and arranged along a tall flowering stem. The dorsal sepal and petals overlap to form a hood over the column.
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Verticordia pritzelii is a shrub which grows to a height of and with several stems at its base. The leaves are linear to club-shaped, semi-circular in cross-section, long with a small point on the end. The flowers are scented and arranged in rounded groups, each flower on a stalk long. The floral cup is hemispherical in shape, about long and there is a swelling beneath each sepal.
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Cyrtostylis reniformis is a terrestrial, perennial, deciduous, herb with a single kidney-shaped, heart- shaped or almost round leaf long and wide. Up to eight dark reddish brown, or rarely yellowish flowers long are borne on a flowering stem high. The dorsal sepal is erect and curved forward, linear to lance-shaped, long and about wide. The lateral sepals are linear, long, about wide and curve forwards or downwards.
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Corybas cryptanthus is a terrestrial, perennial, saprophytic, herb with its leaves reduced to tiny triangular scales on horizontal rhizoids buried in leaf litter. There is a single more or transparent whitish to pinkish flower with red or purple streaks. Its dorsal sepal is long and lance-shaped. The lateral sepals and petals are thread-like, the lateral sepals longer than the petals and often appear above the leaf litter.
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Corybas limpidus is a terrestrial, perennial, deciduous, herb with a single thin, round or broad heart-shaped leaf long and wide. The leaf is green on the upper surface and silvery green on the lower side. There is a single erect, translucent green flower with dark red spots and blotches, long and wide. The dorsal sepal is burgundy-coloured, long and wide and curves forward over the labellum.
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Corybas dentatus is a terrestrial, perennial, deciduous, herb with a broad egg-shaped, heart-shaped or almost round leaf long and wide. The leaf is green on the upper surface and silvery green on the lower side. A single purplish and green flower long and wide is borne on a short flowering stem. The largest part of the flower is the dorsal sepal which is long and wide.
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Corybas diemenicus is a terrestrial, perennial, deciduous, herb with a single round or heart-shaped leaf long and wide. The leaf is green on the upper surface and silvery green on the lower side. There is usually only a single erect, dark reddish to purple flower with translucent areas, long and wide. The dorsal sepal is long and wide on a stalk about long and forms a hood over the labellum.
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Once he has finished the series, Lewis hopes to publish them, along with his field observations on each species, but it will take many more years to illustrate them all. Following the conventions of botanical illustration, Lewis records his subjects comprehensively – plant, flower and fruit. He also dissects the flowers of each to show its various parts – petals, sepal, column, labellum, anther and pollinia. The process is exacting and time-consuming.
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Flowers occur singly; the sepal length is 5-10 mm and that of the petal is 13-20 mm. Oxalis oregana is a short, herbaceous perennial plant with erect flowering stems 5–15 cm tall. The three leaflets are heart-shaped, 1–4.5 cm long with purplish undersides, on 5–20 cm stalks. The inflorescence is 2.4–4 cm in diameter, white to pink with five petals and sepals.
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Typically, the tube also has small scale-like bracts, which gradually change into sepal-like and then petal-like structures, so the sepals and petals cannot be clearly differentiated (and hence are often called "tepals"). Some cacti produce floral tubes without wool or spines (e.g. Gymnocalycium) or completely devoid of any external structures (e.g. Mammillaria). Unlike the flowers of other cacti, Pereskia flowers may be borne in clusters.
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The lateral sepals are similar in length to the dorsal sepal but have a pointed end and face forward beneath the labellum. The petals are somewhat shorter than the sepals, are lance-shaped and spread widely. The labellum is also shorter than the sepals, dished, broadly egg-shaped with the edges turned under, dull red with two rounded calli at its base. Flowering occurs between January and October.
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There are 5 overlapping green to purplish sepals which differ in size and shape but are mostly long. The sepal at the rear is egg- shaped and slightly shorter and wider than the others. The petals are long and joined at their lower end to form a tube. The petals are purple to pinkish- purple on the outside and white inside the tube with purple or reddish-brown spots.
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The dorsal sepal is lance-shaped to egg-shaped, long and about wide. The lateral sepals are linear to lance-shaped, long, wide and mostly free from each other. The petals are greenish-brown with whitish edges, linear to oblong, long and about wide. The labellum is whitish, oblong to egg- shaped, long, wide and curves upward about half-way along with the tip just reaching between the lateral sepals.
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The dorsal sepal is lance-shaped to egg-shaped, long and wide. The lateral sepals are greenish- brown or maroon, linear to lance-shaped, long, wide, mostly free from each other and curved backwards. The petals are purplish maroon, oblong, long, about wide and spread widely. The labellum is pale purple to maroon, oblong to egg-shaped, long, wide and turns sharply upward at 90° about half-way along.
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The dorsal sepal is gently curved but suddenly curves downward near the tip and is about the same length as the petals. The lateral sepals turn downwards and are about long and wide, fused together for most of their length and cup-shaped with their tips less than apart. The labellum is about long and wide and whitish-green with a dark green, appendage. Flowering occurs in October and November.
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There is a glandular tip long on the dorsal sepal, dark red and long on the lateral sepals. The petals are oblong to lance- shaped, long, about wide and turned downwards towards the ovary. The labellum is more or less horizontal, diamond-shaped, long and wide with a black, ant- like callus surrounded by many stalked and stalkless glands occupying most of its upper surface. The column has narrow wings.
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Arthrochilus apectus is a terrestrial, perennial, deciduous, sympodial herb with an underground tuber which produces daughter tubers on the end of root-like stolons. It has two or three leaves at its base, each leaf long and wide. Between three and seven insect-like flowers long are borne on a flowering stem tall. The dorsal sepal is long, about wide and the lateral sepals are long and about wide.
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Pterostylis echinulata is a terrestrial, perennial, deciduous, herb with an underground tuber and a compact rosette of leaves in diameter. Flowering plants have a single pale yellowish-green flower long and wide on a densely hairy flowering stem high. There is a single stem leaf long and wide on the flowering stem. The dorsal sepal and petals are fused, forming a slightly inflated hood or "galea" over the column.
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The dorsal sepal is about long and wide and the lateral sepals are a similar length but narrower and parallel to each other. The petals are about long, wide and curve forwards. The labellum is pink or purplish, lance-shaped to egg-shaped, long, about wide and turns sharply upwards at about 90° near its middle. The middle of the labellum is narrowed and the upturned part has wavy edges.
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The dorsal sepal is lance-shaped to egg-shaped, long and about wide. The lateral sepals are egg-shaped to lance-shaped, long, wide and free from each other. The petals are brownish-green with whitish edges, linear to oblong, long and wide. The labellum is white, lance-shaped to egg-shaped, long, wide and turns sharply upward at 90° about half-way along, reaching the lateral sepals.
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The leaf of flowering plants is solid but the leaves on plants without flowers are hollow. The inflorescence is a spike tall, with between one and eight, non- resupinate flowers. The flowers are more or less pendulous, moderately crowded, , greenish with purple stripes and have a purplish-red labellum. The dorsal sepal is narrowly egg-shaped, long, about wide, dished on the lower surface with smooth edges and a pointed tip.
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Diuris eburnea is a tuberous, perennial herb with between four and six linear leaves long, wide and folded lengthwise. Up to eight pale yellow to cream-coloured flowers with reddish markings, long and wide are borne on a flowering stem tall. The dorsal sepal is egg-shaped, long, wide and curves upwards. The lateral sepals are oblong, long, wide and turned downwards, parallel to or crossed over each other.
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Diuris disposita is a tuberous, perennial herb with usually only one linear leaf long and wide. Between two and seven yellow flowers with brown markings, wide are borne on a flowering stem tall. The dorsal sepal projects forward and is egg-shaped, long and wide. The lateral sepals are linear to sword-shaped, green and brownish, long, about wide, turned downwards and parallel to, or crossed over each other.
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Thus the lower three (anterior) petals are differentiated from the upper two (posterior) petals. The posterior sepal is fused with the pedicel to form a hypanthium (nectary tube). The nectary tube varies from only a few millimeters, up to several centimeters, and is an important floral characteristic in morphological classification. Stamens vary from 2 to 7, and their number, position relative to staminodes, and curvature are used to identify individual species.
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The flowers are pale to deep pink and are arranged in upper leaf axils in groups of three or more and the groups are mostly longer than the leaves. There are four triangular sepal lobes about long and four petals about long. The petals are covered with soft hairs on the outside but glabrous on the inner surface. In common with other zierias, there are only four stamens.
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Caladenia brevisura is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf long and about wide. The single flower (or rarely two flowers) is borne on a stem high and is long and wide. The dorsal sepal is pointed and the lateral sepals and petals are short and down-swept. The lateral sepals have narrow, red, scent-producing glands on their ends.
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The lateral sepals and petals have about the same dimensions as the dorsal sepal and turn stiffly downwards. The labellum is long and wide and green with a dark red tip that is curled downwards. The sides of the labellum have erect, linear up to long and there are four rows of dark red, densely crowded calli along the mid-line. Flowering occurs from October to early December.
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Sarcochilus dilatatus is a small epiphytic herb with a stem long with between four and twelve thin, leathery, dark green leaves long and about wide. Between two and twelve brown or dark reddish brown flowers long and wide are arranged on a flowering stem long. The tips of the sepals and petals are often dilated. The dorsal sepal is long and wide whilst the lateral sepals are slightly longer.
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Sarcochilus hirticalcar is a small epiphytic herb with stems long with between two and ten leathery, linear or curved bright green leaves long and wide. Between two and twelve cream- coloured to bright yellow flowers with purplish to reddish bands, long and wide are arranged on a flowering stem long. The dorsal sepal is long and wide and the lateral sepals are slightly longer. The petals are long and about wide.
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Sarcochilus serrulatus is an epiphytic herb with a stem long with between three and six curved leaves long and about wide. The leaves are oblong to egg-shaped with wavy edges that have fine teeth. Between two and ten reddish brown flowers long and wide are arranged on a fleshy, club-shaped flowering stem long. The dorsal sepal is long and wide whilst the lateral sepals are long and wide.
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Caladenia lindleyana is a terrestrial, perennial, deciduous, herb with an underground tuber and a single narrow, densely hairy leaf, long and wide. One or two flowers wide are borne on a stalk tall. The flowers are greenish-yellow with red markings and the sepals taper to thin, dark, glandular tips. The dorsal sepal is erect, long and about wide, and the lateral sepals are long and about wide and spread widely.
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The flower is also similar to those of other hammer orchids in that the labellum resembles a flightless female thynnid wasp, in this case Zaspilothynnus nigripes. This species can be distinguished by the pointed column, the pointed, upturned end of the labellum and the swollen labellum body. The sepal at the back of the flower is long and the two at the sides are . The petals are also long.
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Eucalyptus megasepala was first formally described in 2006 by Anthony Bean and the description was published in the journal Austrobaileya from a specimen collected near Jowalbinna (near Laura). According to Bean, the specific epithet (megasepala) is derived from the Greek mega (large) and sepalum (sepal), referring to the size of the sepals of this species compared to those of the related E. tetrodonta. Sepalum is however New Latin.Backer, C.A. (1936).
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The dorsal sepal is erect and the lateral sepals spread apart and turned downwards. The petals spread horizontally near their bases but then turn downwards. The labellum is long, wide and cream coloured with red lines and marks. The sides of the labellum have many short blunt teeth, the tip curls under and there are two rows of anvil-shaped, white calli, sometimes with red tips, along its centre.
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Caladenia quadrifaria is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, linear leaf, long and wide. Up to three pale pink to bright pink flowers are borne on a spike tall. The flowers are greenish-pink or brownish pink on their back where there are many glandular hairs. The dorsal sepal is long, wide and the lateral sepals are long and wide.
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The dorsal sepal is erect, long and wide. The lateral sepals and petals are long and wide with the petals slightly narrower than the lateral sepals. The labellum is long and wide and white, with radiating red lines, spots and blotches. The sides of the labellum have short, curved teeth, the tip is turned downwards and there are two rows of broad, anvil-shaped, white calli along its centre.
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The dorsal sepal is erect, long and about wide and the lateral sepals are long, wide, downswept near the base then curving forwards and slightly upwards. The petals are long, wide and downswept. The labellum is long, wide and green with a dark red tip. The sides of the labellum have narrow teeth and there are four or more rows of crowded, red calli along its centre including near its tip.
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Caladenia luteola is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three lemon yellow flowers, long and wide are borne on a stalk tall. The sepals and petals have long, brown, thread-like tips. The dorsal sepal is erect, long and wide and the lateral sepals are long, wide, spreading stiffly near their base but then drooping.
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Caladenia meridionalis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. One or two white to cream-coloured flowers long and wide are borne on a stalk tall. The sepals and petals have dark reddish-brown, drooping, thread-like tips. The dorsal sepal is erect, long, wide and the lateral sepals are a similar length but slightly wider.
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The dorsal sepal is egg-shaped to lance-shaped, about long, wide, turns downwards and has three darker stripes. The lateral sepals are linear to lance-shaped, long, about wide and free from each other. The petals are linear to lance- shaped, long, about wide and curve forwards near their tips. The labellum is lance-shaped to egg-shaped, about long, wide and turns upwards near its middle.
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Bryobium irukandjianum is an epiphytic or lithophytic herb that forms small, dense clumps with small, oval pseudobulbs long and wide. Each pseudobulb has two or three linear to lance-shaped leaves long and wide. Between seven and twelve short-lived, self-pollinating, whitish to dull pink, resupinate flowers about long and wide are arranged on a flowering stem long. The sepal and petals are about long and wide.
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Diuris chryseopsis is a tuberous, perennial herb with two to five, sometimes up to eight green, linear leaves long, wide in a loose tuft. Up to four drooping, lemon yellow flowers with brownish markings and wide are borne on a flowering stem tall. The dorsal sepal is more or less erect, egg-shaped to lance-shaped, long, wide. The lateral sepals are linear to lance-shaped, long, wide, and turned downwards.
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Caladenia clavula is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy, lance-shaped to egg-shaped leaf, long and wide. Usually only one flower is borne on a spike high. The flowers are greenish-yellow to brownish with central red stripes and are about wide. The dorsal sepal is long, wide, linear in shape for about half its length then narrows to a thread-like tail.
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Diuris oporina is a tuberous, perennial herb with a single tapering, linear leaf long, wide with a purplish red base. Up to ten white flowers with mauve, lilac or purplish markings, wide are borne on a flowering stem tall. The dorsal sepal projects forward and is oblong to egg- shaped with the narrower end towards the base, long and about wide. The lateral sepals are linear, green, long and about wide.
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The dorsal sepal is erect and the lateral sepals and petals spread widely but with drooping ends. The sepals are flat near their bases and wide at the base and taper to a thread-like end with reddish-brown glandular hairs. The petals are similar to the sepals but slightly shorter. The labellum is narrow triangular to lance-shaped, long and wide when flattened and curves downward at the tip.
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The dorsal sepal is erect, long, wide, linear to lance- shaped or egg-shaped and curves forward. The lateral sepals and petals are long, wide, lance-shaped, slightly curved, held horizontally and spread widely. The sepals and petals are glabrous on the inside and densely covered with brownish glands on their backs. The labellum is broadly egg-shaped when flattened and bright pink with many narrow, dark red lines.
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The dorsal sepal is egg-shaped and long and the lateral sepals are a similar length but linear to lance-shaped and are free, or mostly free from each other. The petals are linear to lance-shaped, and curve forwards. The labellum is trowel-shaped, pink, long and turns sharply upwards near its middle. There is a brown or green, short, channelled and wrinkled callus in the centre of the labellum.
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The dorsal sepal is broadly egg-shaped, green and long and the lateral sepals are a similar length but narrower and are free from each other. The petals are similar in size to the lateral sepals and curve forwards. The labellum is heart-shaped, purplish or pink, up to long and turns upwards. There is a deep purplish, triangular callus with a V-shaped ridge along the centre of the labellum.
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The flower cup is densely hairy, about long. The sepal lobes are densely hairy, egg-shaped to lance-shaped and long. The petals are more or less egg-shaped, long and there are between 18 and 32 stamens about the same length as the petals. Flowering mainly occurs in September and October and the fruit is a hairy, urn-shaped capsule with the sepals spreading at right angles.
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Caladenia denticulata subsp. albicans is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf long and wide. One or two flowers are borne on a stem high and each flower is long and wide. The dorsal sepal is erect, long and wide at the base, linear to lance-shaped, dull white or cream-coloured and has a drooping, dark brown, thread-like glandular tip.
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Caladenia denticulata subsp. denticulata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf long and wide. One or two flowers are borne on a stem high and each flower is long and wide. The dorsal sepal is erect, long and wide at the base, linear to lance-shaped, pale to greenish-yellow and has a drooping, dark brown, thread-like glandular tip.
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Caladenia cracens is a terrestrial, perennial, deciduous, herb with an underground tuber and which grows singly or in loose groups. It has a single, sparsely hairy, narrow linear leaf, long and wide. A single, sweetly-scented flower, across, is borne on a thin, wiry spike high. The dorsal sepal is egg-shaped with the narrow end towards the base, long, wide and forms a hood over the labellum and column.
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Flowering plants have a similar leaf but lack a petiole, the leaf on the side of a brittle flowering stem. The flowers are small and pale coloured and have a dorsal sepal wider than the lateral sepals. The petals are much smaller than the sepals. The labellum is much different in size and shape from the petals and sepals, folded lengthwise with a narrow, ridge-like callus along the mid- line.
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The dorsal sepal and petals overlap to form a hood over the column. The labellum has a spur and usually three lobes which may be short or long and threadlike. The distinguishing feature of the genus is the presence of two club-shaped projections on the stigma. In many respects, plants in this genus are similar to those in Habenaria, only differing in the structure of the column.
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Eriochilus tenuis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single egg-shaped leaf long and wide which lies flat on the ground. One or two pink or white flowers about long and wide are borne on a stem, tall. The dorsal sepal is egg-shaped with the narrower end towards the base, long and wide. The lateral sepals are long, wide and spread apart.
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Eriochilus cucullatus is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a single, egg-shaped, bright shiny green, glabrous leaf which is not fully developed until after flowering, when it is long and wide. One or two bright pink to magenta flowers are borne on a slender spike, tall. The dorsal sepal is spoon-shaped to lance-shaped with the narrower end towards its base and long.
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Eriochilus pulchellus is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, egg-shaped to oval leaf long and wide. The leaf is held above the ground on a thin stalk long. Up to ten white flowers with a few red markings, about long and wide are borne on a stem, tall. The dorsal sepal is egg-shaped with the narrower end towards the base, long and wide.
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The dorsal sepal is egg-shaped, long, wide with red stripes, a hairy edge and a sharp tip. The lateral sepals are linear to lance-shaped, long, wide, free from each other and spread widely apart. The petals are egg-shaped, pointed, about long and wide and striped with long hairs on the edge. The labellum is linear, long, wide with its red tip curled upwards and long pink to red hairs on its edge.
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The dorsal sepal abruptly narrows about one-third of its length from the base. The lateral sepals and petals are much shorter than those of subspecies bicalliata, lack reddish-brown tips and are a paler greenish-cream colour. The labellum is white with red spots and a serrated edge and has two rows of white-tipped calli along its centre. Flowering occurs from August to early September, however the flowers only rarely open fully.
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The dorsal sepal is egg-shaped to lance-shaped, long, about wide and turned downwards. The lateral sepals are linear to lance-shaped, long, about wide and the petals are linear to narrow lance-shaped, long and about wide. The labellum is green to pinkish, broadly egg-shaped to lance-shaped, long, about wide and turns sharply upwards with wavy edges. There is a fleshy green to brown callus in the centre of the labellum.
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Caladenia cardiochila is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, linear to lance-shaped leaf, long and wide. There are one or two flowers borne on a slender, wiry, sparsely hairy spike high. The sepals and petals are yellowish to greenish pink with a central red streak but are sometimes all red. The dorsal sepal is linear to lance-shaped, erect or curved forward, long and about wide.
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The dorsal sepal is egg-shaped, about long and wide. The lateral sepals are linear to lance- shaped, about long, wide and spread apart from each other. The petals are lance-shaped to narrow egg-shaped, about long and wide with hairless edges and a pointed tip. The labellum is broadly elliptic to egg-shaped with the narrower end towards the base, long and wide with scattered hairs up to long on the edges.
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The flowers are red to pinkish, sometimes with yellowish green but always have dark red to almost black glandular tips on the sepals and petals. The dorsal sepal is long, about wide and erect near the base but then curves forward. The lateral sepals are long, about wide, egg-shaped to lance-shaped near their base but then tapering, and spread widely with their tips drooping slightly. The petals are slightly shorter and narrower.
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They fly by day, but also sometimes come to light at night. The larvae feed on Ulex europaeus, at first on green seeds inside a seedpod. It then lives in a detached sepal rolled into a case, which it attaches to the side of a seedpod and bores in to feed on the seeds. Finally, it diapauses full-fed in a silk case in a dead flower and pupates in the overwintering case.
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The broad oval upper sepal is white with a pink base that usually is 10–13 cm long and 2–6 cm short. It has longitudinal green lines that stretch across the leaf without touching the edges, leaving a narrow white border. The lower sepals look like the upper ones, but much smaller, white and purple, with purple and green lines. The oval-lanceolate petals are arranged horizontally and slightly bent forward.
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The dorsal sepal is long, wide with a sharply pointed tip. The lateral sepals are long, wide with a pointed tip and are free from each other. The petals are long, about wide and have a pointed tip and sometimes a few hairs on the edges. The labellum is egg-shaped with the narrower end towards the base, thick and fleshy, long, wide with a sharply pointed tip and coarse hairs on its edges.
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Pterostylis macrosepala was first formally described in 2006 by David Jones and given the name Bunochilus macrosepalus. The description was published in Australian Orchid Research from a specimen collected in the Conimbla National Park. In 2010, Gary Backhouse changed the name to Pterostylis macrosepala. The specific epithet (macrosepala) is derived from the Ancient Greek word makros meaning "long" and the New Latin word sepalum meaning "sepal", referring to the large fused sepals.
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The dorsal sepal is tall and curves forward then strongly downward with a long, tapering tip which is much longer than the petals. There is a gap between the galea and the lateral sepals which have long, tapering tips, spread apart from each other and are erect or turned back behind the galea. The labellum is gently curved and protrudes above the sinus between the lateral sepals. Flowering occurs in December and January.
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Verticordia multiflora is a shrub which grows to a height of up to and is irregularly and openly branched. Its leaves are oblong to elliptic in shape, long, semicircular in cross section and often have tiny serrations along their edges. The flowers are arranged in rounded groups on the ends of the branches, each flower on a stalk long. The floral cup is top-shaped, long and hairy with small swellings beneath each sepal.
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Pterostylis patens, commonly known as tutukiwi or greenhood, is a terrestrial, perennial, deciduous, herb with an underground tuber. Both flowering and non-flowering plants have between four and six erect, lance- shaped leaves which are long, wide and grass-like. Flowering plants have a single green flower with white stripes which is prominently inflated near its base. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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The dorsal sepal is tall and curves forward then downward, tapering to a thin tip long. There is a wide gap between the galea and the lateral sepals which spread apart from each other, with long, thread-like tips up to long which sometimes almost meet behind the ovary. The labellum is flat in cross-section gently curved and protrudes above the sinus between the lateral sepals. Flowering occurs from February to April.
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Chiloglottis longiclavata is a terrestrial, perennial, deciduous, herb with two elliptic leaves long and wide on a petiole long. A single pinkish green flower long and wide is borne on a flowering stem high. The dorsal sepal is narrow egg-shaped to elliptic with a narrow base, long and about wide. The lateral sepals are linear but tapered, long, about wide and erect near the base before curving downwards and spreading apart from each other.
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Chiloglottis jeanesii is a terrestrial, perennial, deciduous, herb with two elliptic leaves long and wide on a petiole long. A single green to dark purplish brown flower long and wide is borne on a flowering stem high. The dorsal sepal is egg-shaped with the narrower end towards the base, long and wide. The lateral sepals are narrow linear, long, about wide, held horizontally below the labellum and more or less parallel to each other.
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As with others in the genus, the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is egg-shaped to lance-shaped, long and wide. The lateral sepals are long, about wide and the petals are linear, to narrow lance-shaped, about long and wide. The labellum is green to pinkish, egg-shaped to lance-shaped, long, about wide and turns sharply upwards with wavy edges.
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Chiloglottis sphaerula is a terrestrial, perennial, deciduous, herb with two egg-shaped leaves long and wide on a petiole long. A single green to reddish pink flower long is borne on a flowering stem high. The dorsal sepal is spatula-shaped, to egg-shaped with the narrower end towards the base, long and wide. The lateral sepals are linear, long, about wide, erect near their bases but turn downwards and away from each other.
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There is a glandular tip about long on the end of the dorsal sepal and long on the lateral sepals. The petals are narrow egg-shaped with the narrower end towards the base, long, about wide and turn downwards near the ovary. The labellum is wedge-shaped to trowel-shaped, long and about wide. There is a shiny black, insect-like callus about long and wide, occupying two-thirds of the labellum base.
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Habenaria euryloba is a tuberous, perennial herb with two or three leaves at its base, the leaves long and wide. Between eight and twenty white flowers, long and wide are borne on a flowering stem tall. The dorsal sepal and petals are long and about wide and joined at their bases to form a hood over the column. The lateral sepals are long, about wide, turn downwards and spread widely apart from each other.
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The lateral sepals are similarly arranged but at the front of the flower. The dorsal sepal is long and wide, the lateral sepals are long and wide and the petals are long and about wide. The labellum is long and wide, diamond-shaped and prominently red-striped in the centre of the flower. In the centre of the labellum there is a dense cluster of reddish, club-shaped calli up to long.
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Habenaria chlorosepala is a tuberous, perennial herb with two or three bluish-green, erect leaves, long and wide. Between eight and twenty green flowers with a white labellum, long and wide are borne on a flowering stem tall. The dorsal sepal and petals overlap at their bases and form a hood over the column. The sepals and petals are about long and wide, the lateral sepals spread widely apart from each other.
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Orchids in the genus are epiphytic or lithophytic herbs with thread-like roots and relatively large, fleshy pseudobulbs that are usually covered by papery bracts when young. Each pseudobulb has up to three flat, usually leathery leaves. The flowers are usually white, cream-coloured or pinkish, do not open widely and last for up to a few days. The dorsal sepal is free but the lateral sepals are fused to the base of the column.
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Orchids in the genus Pinalia are epiphytic or lithophytic, rarely terrestrial herbs with prominent, fleshy pseudobulbs that are covered with papery brown bracts when young. Each pseudobulb has up to three thin, leathery, linear to lance-shaped leaves. The flowers are resupinate, usually cup-shaped and last for a few days. The dorsal sepal is narrower than the lateral sepals which are attached at their base to the column to form a small ledge.
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Caladenia nana subsp. unita is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three (rarely up to five) pale to deep pink, rarely white, flowers long and wide are borne on a spike tall. The dorsal sepal is curved forward over the column and the lateral sepals and petals are short, spreading and fan-like, with the lateral sepals joined at their bases.
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Pterostylis tanypoda is a terrestrial, perennial, deciduous, herb with an underground tuber. Non-flowering plants have a stalked rosette of bluish-green, egg-shaped leaves which are long and wide. Up to seven bluish-green and white-striped flowers are crowded together on a fleshy flowering stem high with many stem leaves similar to the rosette leaves but smaller. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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The head is surrounded by a large number of overlapping bracts and each flower has an erect, elongated bract at its base. The flowers are non-resupinate, arranged in a spiral, inward-facing, dull coloured and lack a stalk. The sepals and petals form a short, curved hood over the labellum and column, open on one side. The lateral sepals are joined to each other and to the dorsal sepal at their bases.
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In some caladenias, the sepal and petals (apart from the labellum) are narrow with expanded tips called "clubs". These are thought to be the source of sexual attractants for those species that mimic female wasps. Most such species do not have a scent detectable by humans but are attractive to male Thynnid wasps. For some species, such as C. multiclavia, it is the labellum that mimics the size, shape and presumably the scent of females.
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Pterostylis alata, commonly known as the striped greenhood, is a species of orchid endemic to Tasmania. As with similar orchids, the flowering plants differ from those which are not flowering. The non-flowering plants have a rosette of leaves but the flowering plants have a single flower with leaves on the flowering spike. This greenhood has a white flower with prominent dark green stripes and a sharply pointed, brown-tipped dorsal sepal.
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Orthoceras strictum is a terrestrial, perennial, deciduous, herb with an underground tuber and a tuft of between two and five linear to thread-like, grass-like leaves, long and wide. Up to nine flowers wide are borne on a rigid flowering stem tall. Flower colour varies from blackish, brownish, maroon to yellowish green. The dorsal sepal is egg- shaped and forms a hood over the rest of the flower, long and wide.
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The flowers are long and the dorsal sepal and petals are joined to form a hood over the column. The lateral sepals turn downwards and are long, wide and joined to each other for about half their length then taper to orange-brown tips. The labellum is about long, wide, brownish-yellow, covered with hair-like cells and with a dark stripe along its mid-line. Flowering occurs from August to November.
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Caladenia alpina is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, lance-shaped leaf, long and wide. The leaf is thick and fleshy and green to dark reddish-green. One to three flowers, usually two, are borne on a spike up to high and are about in diameter. The dorsal sepal is a broad egg shape wide and curves forward to form a hood over the column.
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Sarcochilus borealis is a small epiphytic herb with a stem long with between two and six thin but stiff dark green leaves long and wide. Between two and ten pale green to dark green flowers long and wide are arranged on a flowering stem long. The sepal are long and wide whilst the petals are slightly shorter and narrower. The labellum is white with reddish brown markings, long and wide and has three lobes.
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As usual in peonies, there is a gradation between leaves, bracts and sepals. One to five bracts defined as those immediately below the calyx, have various shapes, ranging from incised and leaf-like to entire and sepal-like. Sepals are rounded or triangular-rounded, mostly green, but sometimes with a pink inside, dark red or purple. They have a much broader base and a smaller, narrower, rounded or suddenly pointed (or mucronate) dark green tip.
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The dorsal sepal is the same length as the petals and curves forward with a pointed tip. There is a wide gap between the galea and the lateral sepals. The lateral sepals are erect and have thread-like tips 14–16 mm long and a slightly bulging, V-shaped notch sinus between them. The labellum is 12–15 mm long, about 3 mm wide, brown and curved and protrudes above the sinus.
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The flowers are arranged in groups of mostly five to nine in leaf axils and the groups are usually longer than the leaves. The four sepal lobes are roughly triangular, about long, the four petals are white to pink, about long and in common with other zierias, there are only four stamens. Flowering mainly occurs in spring and summer and is followed by fruit which is a follicle dotted with oil glands and slightly rough.
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Orchids in the genus Zeuxine are terrestrial, perennial, deciduous, sympodial herbs with a fleshy, creeping, above-ground rhizome anchored by wiry roots. The leaves are thinly textured and stalked, arranged in a rosette at the base of the flowering stem or scattered along it. Small, resupinate dull-coloured flowers are often crowded along the short flowering stem which usually has protruding bracts. The dorsal sepal and petals overlap, forming a hood over the column.
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Epipogium roseum is a leafless, terrestrial mycotrophic herb that has a fleshy underground rhizome and a fleshy, hollow, dull yellow flowering stem tall. There are between two and sixteen resupinate cream-coloured, yellowish or pinkish flowers long with an unusually swollen overy. The sepals are linear to lance- shaped, long, wide and the petals are often slightly shorter and wider. The dorsal sepal and petals are joined at the base and spread weakly.
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The flowers are bright reddish-brown and white and usually up to four are open at once. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The galea has an inflated shape near its base and rough surface. The lateral sepals are erect, held closely against the galea with thread-like tips about long that do not project as far as the top of the galea.
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The dorsal sepal is erect near its base, then curves forward with a short point. The lateral sepals are erect, held closely against the galea with thread-like tips about long that do not project above the galea. The sinus between the bases of the lateral sepals curves inward and has a small notch in the centre. The labellum is about long, wide, dark brown and not visible outside the intact flower.
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Arthrochilus laevicallus is a terrestrial, perennial, deciduous, sympodial herb with an underground tuber which produces daughter tubers on the end of root-like stolons. It lacks leaves but has between four and seven green, insect-like flowers on a flowering stem tall. The dorsal sepal is strap-shaped to lance-shaped with the narrower end towards the base, about long and wide. The lateral sepals are strap-shaped but curved, about long and wide.
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Diuris heberlei is a tuberous, perennial herb with between three and five linear leaves at its base, each leaf long and wide. Up to five bright yellow flowers wide are borne on a flowering stem tall. The dorsal sepal is more or less erect, narrow egg-shaped with a tapered tip, long and wide. The lateral sepals are linear to sword-shaped, greenish brown, long, wide, turned downwards and parallel to each other.
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The five sepals are long and joined for about half their length into a tube. The sepal tube and lobes are densely hairy on the outside and mostly glabrous inside. The five petals are joined to form a tube long and which is pale pink with purple dots inside and has five lobes on its end. The lowest lobe is very broad, more or less circular and twice as large as the others.
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Corybas despectans is a terrestrial, perennial, deciduous, herb with a single round or heart-shaped leaf long and wide. The leaf is green on the upper surface and silvery green on the lower side. There is a single erect, reddish purple flower with green or translucent areas, long and wide. The dorsal sepal is greenish grey, erect in the lower part then curves, long and wide and does not usually completely cover the labellum.
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Acianthus collinus is a terrestrial, perennial, deciduous, sympodial herb with a single heart-shaped, glabrous, dark green leaf which is reddish-purple on its lower surface. The leaf is long, wide on a stalk high. There are between two and nine flowers well-spaced on a thin raceme tall, each flower long. The dorsal sepal is egg-shaped, long, wide, translucent pink with reddish veins and markings and forms a hood over the column.
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The hermaphrodite flowers consist of a whitish green to pinkish green, hairless and campanulate (bell-shaped) perianth, composed of six tepals. The outer three tepals are narrower than the inner three and all are sepal-like in appearance. The flowers have nine (sometimes six) stamina inserted on the torus at the base of the peranthium, they are free or subconnate at their base. The anthers are yellow or pinkish green, elliptic in shape.
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Corybas limpidus was first formally described in 1991 by David Jones, in Australian Orchid Research, based on specimens collected near Albany in 1986. The specific epithet (limpidus) is a Latin word meaning "clear", "transparent" or "pure", referring to the dorsal sepal and part of the labellum. In 2002, David Jones and Mark Clements proposed splitting Corybas into smaller genera and placing this species into Corysanthes but the change has not been widely accepted.
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It is a free flowering plant and each inflorescence can bear up to 12 buds, and usually 4 flower blossom at a time. Each flower measures 5 cm across and 6 cm tall. The petals are twisted such that the back surface faces the front like its parents. The two petals on the top and the top sepal are rosy-violet, while the 2 lateral sepals on the lower half are pale mauve.
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The flowers are long and wide. The bases of the sepals and petals are linear to lance-shaped and held stiffly for about one-third, then suddenly narrow to a dark brown, densely glandular thread-like section. The dorsal sepal is erect, linear to lance-shaped, long, wide at the base and has its edges slightly turned inwards. The lateral sepals are spreading and downcurved, long and wide at the base and are inclined downwards.
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The flowers are held on an upright, narrow but fleshy stalk, blend in with their surrounding and often resemble mosquitoes. The sepals are longer than the petals and usually have a long, thin extension on their end. The dorsal sepal is broader than the lateral ones and sometimes forms a hood over the column. The lateral sepals project forward beneath the labellum and the petals spread widely or curve backwards against the ovary.
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Corybas cerasinus is a terrestrial, perennial, deciduous, herb with a single heart-shaped leaf long and wide, lying flat on the ground. The leaf is bluish green on the upper surface and purplish on the lower side. There is a single erect, cherry red to dark maroon flower long and wide. The largest part of the flower is the dorsal sepal which is egg-shaped to oblong when flattened, long and wide.
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Liparis petricola is a terrestrial herb with three or four underground pseudobulbs. There are two or three thin, dark green pleated, egg-shaped leaves long and wide with five obvious veins and wavy edges. Between three and fifteen deep reddish purple flowers, long and wide are borne on a purplish flowering stem long. The dorsal sepal is long, about wide and the lateral sepals are a similar length and about wide with their tips twisted.
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Caladenia clarkiae is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, linear leaf, long and wide. One or two, rarely up to four flowers are borne on a spike high. The flowers are white, pinkish or purplish with darker pink or magenta tips, sometimes with central red stripes and are about wide. The dorsal sepal is linear to egg-shaped, long, about wide and curves forward over the labellum.
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There are six fleshy nectar glands at the base of each sepal which attract pollinators. Each fertilized flower matures into a large (1 cm) deep-blue berry-like fruit which houses two bitter seeds. The large seeds are covered with a characteristic blue coat, and the fruits remain on the plants until fall. Seed germination can take a few years, and the seedlings are hypogeal, with the cotyledons remaining underground after germination and seedling emergence.
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As with others in the genus the flowers are inverted so that the labellum is above the column rather than below it. The dorsal sepal is egg-shaped, long, wide, sharply pointed and with short hairs on the edges. The lateral sepals are linear to lance-shaped, long, wide and diverge from each other. The petals are egg-shaped, long, about wide with a pointed tip and short hairs on the edges.
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Chiloglottis valida is a terrestrial, perennial, deciduous, herb with two dark green broad elliptic leaves long and wide. A single greenish purple to purplish brown flower long and wide is borne on a flowering stem high. The dorsal sepal is spatula-shaped, to egg-shaped with the narrower end towards the base, long and wide. The lateral sepals are linear, tapering towards the tip, long, wide, curve downwards and away from each other.
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Pterostylis jacksonii is a terrestrial, perennial, deciduous, herb with an underground tuber and a compact rosette of leaves in diameter. Flowering plants have a single green and white flower long and wide on a flowering stem high, sometimes with a light brown tinge. There is a single stem leaf long and wide on the flowering stem. The dorsal sepal and petals are fused, forming a slightly inflated hood or "galea" over the column.
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The floral cup is cylindrical in shape, about long with five ribs on its sides and between three and six hairs on each of the five sepal lobes. The petals are about long and the five stamens are very short, alternating with tiny staminodes. The style is about long and has a beard near its tip. Flowering mainly occurs from September to March but the plant may flower and fruit sporadically throughout the year.
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Pterostylis karri is a terrestrial, perennial, deciduous, herb with an underground tuber and a small rosette of leaves wide and although the rosette is absent in some specimens. Flowering plants have a single green and white flower long and wide on a flowering stem high. There are three to eight leaves long and wide on the flowering stem. The dorsal sepal and petals are fused, forming a hood or "galea" over the column.
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Caladenia leptoclavia is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, lance-shaped, dull green hairy leaf, long and wide with a reddish base. Usually only a single cream-coloured to yellow flower with dark reddish, central stripes is borne on a thin, wiry, hairy spike tall. The sepals have thin, dark red to blackish club-like ends long. The dorsal sepal is erect, long and about wide near the base.
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Anoectochilus yatesiae is a tuberous, perennial herb with up to six leaves forming a rosette on the end of its fleshy rhizome. The leaves are dark green, broadly egg-shaped to heart- shaped with a network of silvery veins, long and wide. Up to four brownish flowers long and wide are borne on a flowering stem tall. The dorsal sepal is long, wide and with the petals, forms a hood over the column.
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Habenaria vatia is a tuberous, perennial herb with between three and five upright leaves, long and wide. Between fifteen and twenty five white flowers, long and wide are borne on a flowering stem tall. The dorsal sepal is about long, wide and with the petals, forms a hood over the column. The lateral sepals are about long, wide and spread apart from each other and the petals are a similar size to the sepals.
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Sarcochilus hartmannii is a lithophytic (sometimes an epiphyte or terrestrial) herb with stems long and which forms spreading clumps, usually on rocks. It has between four and ten thick, channelled linear to oblong or triangular leaves long and wide. Between five and twenty five white flowers with crimson spots near the centre, long and wide are crowded on an arching flowering stem long. The sepal are long and wide, the petals long and wide.
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Caladenia brumalis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy, lance- shaped leaf, long and wide. There is usually only a single white to pinkish flower with darker stripes, on a stem high. The flowers are about wide. The dorsal sepal is lance-shaped near the base and long, wide near the base but narrows to a thread-like tip covered with many black glands.
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The sepal margins curve outwards along about a third or half their length. The flowers have five petals, joined at the base to form a tube long, whitish at the base and pinkish-red to red towards the end. The free lobes at the end of the petals bend outwards. There are two prominent folds (plicae) running along the length of the base of the flower tube, bearing numerous yellow hairs long.
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The dorsal sepal is erect, long and wide and the lateral sepals are long, wide, upswept and parallel to each other. The petals are long, wide and are arranged in a similar way to the lateral sepals. The labellum is wide, wide and green with a dark red tip. The sides of the labellum have narrow teeth and there are four or more rows of crowded, red calli along its centre, including near its tip.
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Caladenia mentiens is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, dark green, sparsely hairy, linear leaf, long and about wide. A single whitish or pinkish flower long and wide is borne on a stalk tall. The backs of the sepals and petals are a darker pink colour. The dorsal sepal is erect, long and wide and the lateral sepals are about the same length but slightly wider.
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The dorsal sepal is egg- shaped to lance-shaped, green with a central reddish stripe, long, wide, dished and held more or less horizontally. The lateral sepals are lance- shaped, long, about wide and free from each other. The petals are oblong, about long, wide and pink or reddish-brown with pale edges. The labellum is pink to creamy-white, long, wide and turns upwards with the tip extending above the lateral sepals.
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Caladenia melanema is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. One or two cream-coloured flowers with red markings, long and wide are borne on a stalk tall. The sepals and petals are covered with dark, reddish-brown to black, thread-like tips. The dorsal sepal is erect, long, about wide and the lateral sepals are a similar length but slightly wider.
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Hetaeria oblongifolia is a tuberous, perennial herb with a loose rosette of between four and eight dark green, egg-shaped leaves, long and wide. Between fifteen and forty five non-resupinate, hairy green and white flowers, long and wide are borne on a hairy flowering stem tall. The dorsal sepal is egg-shaped, about long, wide and forms a hood over the column. The lateral sepals are about long, wide and project forwards.
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Caladenia rigida is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf long and wide. One or two white flowers with fine reddish-brown lines and across are borne on a spike tall. The sepals, but not the petals, have red, reddish-black or yellow-green glandular tips long. The dorsal sepal is erect near its base then gently curves forward and is long and about wide.
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The lateral sepals and petals are about the same size as the dorsal sepal and turn obliquely downward and form a crucifix-like shape. The labellum is long, wide and greenish-yellow with a small red tip which curls under. The sides of the labellum are smooth, lacking teeth but there is a dense band of dark reddish-purple, calli up to long, in the middle of the labellum. Flowering occurs from August to October.
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Goodyera rubicunda is a tuberous, perennial herb with between three and six dark green leaves, long and wide, sometimes with a reddish tinge. Between ten and twenty resupinate, dull pink and white flowers, long and wide are borne on a brittle flowering stem tall. The dorsal sepal is long, about wide and forms a hood over the column. The lateral sepals are long, about wide, curved and spread apart from each other.
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The white flowers are about across. The flower has five tepals arranged in a single whorl. Characteristic of the genus Kewa, the outer two appear to be sepals, being green; one appears to be half sepal and half petal; and the inner two appear to be petals, being white with a green stripe on the back. The stamens are arranged in two whorls: ten paired in one whorl alternating with five single in the other.
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There are bracts and smaller bracteoles which are woolly on the outside, at the base of the flowers. The five yellow sepals are long and joined at the base to form a tube long, with thin, lance-shaped lobes on the end. The sepal tube is densely covered with woolly hairs on the outside and more or less glabrous on the inside. The petals are pinkish-white with pink spots inside the petal tube.
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Caladenia startiorum is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, long and wide. Up to three pink flowers long and wide are borne on a stalk tall. The sepals and petals have thick pinkish to brown glandular tips. The dorsal sepal is erect, long and wide and the lateral sepals are the same size, spread apart from each other with their tips turning downwards.
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The dorsal sepal is long, about wide and the lateral sepals are long, about wide, erect and free from each other. The petals are long, about wide and turn forwards. The labellum is greenish white with pink or mauve tinges, tapers to a point and turns sharply upwards near its middle. The edges of the upturned part of the labellum are slightly wavy and there is a callus in its centre, extending to its tip.
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Caladenia ambusta is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, linear-shaped, hairy leaf long and wide. The leaf is pale green and blotched with reddish-purple on its lower end. The single flower is borne on a stem tall and is creamy-yellow to creamy-red and wide. The dorsal sepal is erect, long, about wide and ends in a swollen gland, long and covered with glandular hairs.
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The lateral sepals are long, about wide and end with a gland similar to the one on the dorsal sepal. The petals are long, about wide and glabrous. The petals and lateral sepals are linear to lance-shaped near their bases and spread more or less horizontally, but the outer 2/3 is abruptly narrower, yellow-brown in colour and hangs threadlike. The labellum is white with red spots, stripes and blotches, long and wide.
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There are 5 green, overlapping, lance-shaped, tapering sepals which are mostly long. The edges and outer two-thirds of the sepal surface is covered with long, white hairs while the inner surface is covered with glandular hairs. The petals are long and are joined at their lower end to form a tube. The petal tube is light blue to purple, sometimes white on the outside and white streaked brown or reddish-brown inside.
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Diuris platichila, commonly known as the Blue Mountains doubletail, is a species of orchid that is endemic to a few isolated places in the Blue Mountains in New South Wales. It has two leaves and up to eight yellow flowers with dark markings on the dorsal sepal and labellum. It has relatively long, thin lateral sepals and the central lobe of the labellum is wedge-shaped. It forms hybrids with other species of Diuris.
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Orchids in the genus Vrydagzynea are terrestrial, perennial, deciduous, sympodial herbs with a fleshy, creeping, above-ground rhizome anchored by wiry roots. The leaves are thinly textured and stalked, arranged in a rosette at the base of the flowering stem or scattered along it. Small, resupinate dull-coloured flowers are crowded along the short flowering stem which usually has protruding bracts. The dorsal sepal and petals overlap, forming a hood over the column.
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Diuris semilunulata is a tuberous, perennial herb with two linear leaves, each long, wide and folded lengthwise. Between three and five orange-coloured flowers with large brown and purple blotches, wide are borne on a flowering stem tall. The dorsal sepal is erect, long, wide and egg-shaped. The lateral sepals are linear to lance-shaped with the narrower end towards the base, long, wide, turned downwards or backwards and crossed over each other.
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The dorsal sepal is broadly egg-shaped, erect near the base but bends at about 90° near the middle, forming a hood over the column. The labellum is more or less egg- shaped, long about wide when flattened and has three lobes. It is white with reddish-purple marks and a dark purple, pointed tip. The sides of the labellum are wavy, more or less erect and the tip is strongly curved downwards.
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Caladenia bicalliata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf long and wide. The inflorescence is a raceme, high with up to three flowers, each flower long and wide. The dorsal sepal is erect and abruptly narrows about one-third of its length from the base. The lateral sepals and petals are cream or greenish- cream and are much shorter than those of the similar C. abbreviata and C. evanescens.
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The dorsal sepal is lance-shaped to egg- shaped, about long and wide with hairy edges. The lateral sepals are linear to lance-shaped, about long, wide, more or less parallel to each other and sometimes have a gland on the tip. The petals are lance-shaped to egg-shaped, about long, wide with hairy edges and a sharply pointed tip. The labellum is reddish, about long, wide, with hairy edges and a sharply pointed tip.
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The tall leek orchid is a tuberous perennial herb growing to a height of 0.3-1.2 m, sometimes 1.50 m. It has a single leaf, up to 120 cm long and a flower spike crowded, often with up to 60 flowers. The flowers are pale yellowish-green to brownish or purplish black and faintly fragrant with the sepal at the back of the flower up to 11 mm long. The flowers appear from August to October.
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Thelymitra pulcherrima is a tuberous, perennial herb with an erect, dark green leaf which is egg-shaped near its purplish base, then suddenly narrows to a linear spiral leaf long and wide. Up to seven glossy, variegated flowers wide are borne on a flowering stem tall. The sepals and petals are long, wide and differ in colour. The dorsal sepal is wider than the other sepals and petals, purple with yellow edges and has reddish brown spots and blotches.
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In Irises and others in the family Iridaceae, the style divides into three petal-like (petaloid) style branches (sometimes also referred to as 'stylodia'Klaus Kubitzki (Editor) ), almost to the base of the style and is called tribrachiate. These are flaps of tissue, running from the perianth tube above the sepal. The stigma is a rim or edge on the underside of the branch, near the end lobes. Style branches also appear on Dietes, Pardanthopsis and most species of Moraea.
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The dorsal sepal is egg-shaped, about long and wide, sometimes with a small gland on its tip. The lateral sepals are linear to lance-shaped, about long, wide, spread apart from each other and often have a gland at the tip. The petals are egg-shaped, about long and wide with hairless margins but sometimes a gland on the tip. The labellum is egg- shaped, thick and fleshy, long, wide with fine teeth along its edges.
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Acianthus fornicatus is a terrestrial, perennial, deciduous, sympodial herb with a single heart-shaped, glabrous, dark green leaf which is reddish-purple on its lower surface. The leaf is long, wide on a stalk high. There are up to ten flowers, well-spaced on a raceme tall, each flower long and translucent, pinkish-red with a green, sometimes blackish labellum. The dorsal sepal is broadly egg-shaped, long, wide and forms a hood over the column.
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The dorsal sepal is lance-shaped to egg-shaped, long and wide with three fine dark lines. The lateral sepals are linear to lance-shaped, long, wide, and spread apart from each other. The petals are more or less linear in shape, green to purplish, long and wide and greenish, but white near the base. The labellum is white, oblong to egg-shaped, long, wide and turns sharply upwards at more than 90° near its middle.
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The dorsal sepal is egg-shaped, about long and wide and concave. The lateral sepals are linear to lance-shaped, about long, wide and spread widely apart with a whitish gland on the tip. The petals are linear to egg-shaped, about long and wide with a prominent S-shaped gland on the tip. The labellum is elliptic to egg-shaped with the narrower end towards the base, about long, wide with its edges densely covered with short hairs.
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The flower leans forward and the dorsal sepal and petals are fused, forming a hood or "galea" over the column. There is a wide gap between the galea and the lateral sepals which have long, tapering tips, spread apart from each other and held almost horizontally in front of the flower. The labellum is gently curved, greenish with a pink tip and does not protrude through the sinus between the lateral sepals. Flowering occurs in December and January.
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The dorsal sepal is about long and wide with hairless edges and a sharply pointed tip. The lateral sepals are about long, wide, turn downwards, spread widely apart from each other and have a small, white gland on the tip. The petals are about long, wide and also have a white gland on their tip. The labellum is elliptic to egg-shaped with the narrower end towards the base, about long and wide, thick and fleshy.
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The dorsal sepal is elliptic to narrow egg-shaped, about long, wide and greenish with narrow, dark purplish bands. The lateral sepals are linear to lance-shaped, about long, wide and spread widely apart from each other. The petals are linear to egg-shaped, about long and wide with dark purplish bands. The labellum is elliptic to broadly oblong, about long, wide and dark purplish-black with its edges densely covered with short, coarse purplish hairs.
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The dorsal sepal is lance-shaped to narrow egg-shaped, long, about wide and curves downwards. The lateral sepals are linear to lance- shaped, long, about wide and free from each other. The petals are linear to narrow lance-shaped, about long, wide and curve forwards. The labellum is whitish, pinkish, reddish or purplish, broadly lance-shaped to egg-shaped, long, about wide, turns upwards at about 90° near its middle and often reaches above the lateral sepals.
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Prasophyllum abblittiorum is a terrestrial, perennial, deciduous, herb with an underground tuber and a single tube-shaped leaf which is long and wide. Between three and twelve yellowish green flowers are arranged along a flowering spike which is high. The flowers are long and wide and as with other leek orchids, are inverted so that the labellum is above the column rather than below it. The dorsal sepal is egg-shaped, long, wide with a thickened, pointed tip.
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Caladenia dilatata is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf which is long, wide with red spots near the base, but which is often dried by flowering time. A single yellowish-green flower with reddish stripes is borne on a flowering stem which is tall. The sepals and petals have brown or yellowish, densely glandular, thread-like tips long. The dorsal sepal is erect, long and wide with a drooping tip.
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Diuris decrementa is a tuberous, perennial herb, usually growing to a height of with two to five leaves emerging at the base, each long and wide. There are up to three yellow flowers with brown blotches, wide. The flowers have broad, ear-like petals, an erect, tapering dorsal sepal and narrow, forward-projecting lateral sepals. The labellum has three lobes, the lateral ones small and spreading, and the middle lobe elongated with a raised mid-line.
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