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199 Sentences With "pistils"

How to use pistils in a sentence? Find typical usage patterns (collocations)/phrases/context for "pistils" and check conjugation/comparative form for "pistils". Mastering all the usages of "pistils" from sentence examples published by news publications.

Days of constant California spring sunshine had produced thousands of tiny white flowers with yellow pistils.
One was a pair of black foxglove earrings with white- and yellow-diamond pistils; another, creeping ivy earrings.
The artificial pollinator was commandeered towards the stamens and pistils of L. japonicum flowers, a type of wild lily.
A pair of white arum lilies seem plucked from a still life by Georgia O'Keeffe, their pistils set with tiny yellow fancy diamonds.
Twenty-nine plates from botanical books are collaged with black and white heads over pistils: Ariel Sharon over Commelinaceae, Margaret Thatcher over Anacyclus clavatus.
Iron flower not receiving the warmth of sunlight, iron flower not getting the solace of moonlight; the unifying gale of fire in the furnace, it cracks to burst the pistils into flame.
Or to offer cutting-edge creations like its Eternal Flowers rings of preserved flower petals, which debuted last year, featuring titanium pistils and encrusted with precious colored stones like sapphires, spinels, garnets or pavé-set with diamonds.
"I was very pleased by the high quality and the purity of the pistils of Rumi Spice saffron, and the taste was exceptional as well," said Mr. Boulud, who has been using Rumi Spice saffron in his signature restaurant, Daniel, for over six months.
While Hsiao has entirely transformed the contents of her photographs, there are echoes of specific places to be found in the exhibition: a cast traffic cone holds debris from her neighborhood of Pilsen; pistils of a protea plant are embedded in a cement bowl; hardware like carabiners and screws poke out from some sculptures.
Cramer, 'Bildungsabweich,' p. 99, reference to several leguminous plants with polycarpellary pistils.
In the center of the flower are five stamens and usually five pistils.
In the mouth of the flower are five stamens and a few thready pistils.
The stamens are five to numerous, and connate at least at their bases, but often forming a tube around the pistils. The pistils are composed of two to many connate carpels. The ovary is superior, with axial placentation, with capitate or lobed stigma. The flowers have nectaries made of many tightly packed glandular hairs, usually positioned on the sepals.
The stamens and pistils are numerous.Ranunculus glaberrimus. Flora of North America. The species is reportedly toxic to livestock and possibly to humans as well.
The flower has long petals which fold back from the bloom, with a spray of thin stamens and pistils. It is endemic to California.
Male flowers are deep purple with yellow anthers, while female flowers are pinkish violet with rose-coloured pistils. Fruit are bright red, about in diameter.
Each flower has triangular sepals with tiny oval-shaped yellow petals between them. The center of the flower contains twenty stamens and a few pistils.
The sepals and petals are generally reflexed back toward the stem and the five pistils and many thin stamens extend forward from the center of the flower.
The petals are generally white and narrow with rounded ends. The center of the flower contains a ring of stamens around a patch of 20 to 30 pistils.
Each flower is about half a centimeter wide and has hairy pink-edged greenish sepals and tiny pale yellow petals. There are five stamens and a few pistils.
Each flower has five hairy, pointed sepals and five rounded to oval white petals. The center of the flower contains twenty stamens with disc-shaped anthers and several pistils.
End of the Sweet Parade is the first album by Washington, D.C.-based indie folk pop band Stamen & Pistils. It was released on August 9, 2005 through Echelon Productions.
The leaves of this plant are compound and the flowers contain five sepals, five petals and five pistils. The fruit is a follicle which holds many seeds and is formed at the end of the pistils. Underneath the flower are spurs which contain nectar, mainly consumed by long-beaked birds such as hummingbirds. Almost all Aquilegia species have a ring of staminodia around the base of the stigma, which may help protect against insects.
Another example is Arisaema dracontium or the green dragon, which can change its sex on a yearly basis. A. Dracontium's sex is also dependent on size: the smaller flowers are male while the larger flowers are both male and female. Typically in Arisaema species, small flowers only contain stamens, meaning they are males. Larger flowers can contain both stamen and pistils or only pistils, meaning they can be either hermaphrodites or strictly female.
Dissection of thrum and pin flowers of Primula vulgaris An example of a botanical genetic polymorphism is heterostyly, in which flowers occur in different forms with different arrangements of the pistils and the stamens. The system is called heteromorphic self-incompatibility, and the general 'strategy' of stamens separated from pistils is known as herkogamy. Pin and thrum heterostyly occurs in dimorphic species of Primula, such as P. vulgaris. There are two types of flower.
The Female inflorescence is in raceme about 1.3 cm in length. These generally contain 2-4 flowers. The pistils bifurcate. The style is cylindrical and about 2–3 mm long.
Calyx of five, ovato-lanceolate, very hairy, herbaceous sepals, pale and scariose at the margin. Petals five, large, broadly obovate, very glossy yellow. Stamens very numerous. Head of pistils short, oval.
In many members of the rose and buttercup families, each flower contains a number of similar single-carpelled pistils, separate and distinct, which together represent what is known as an apocarpous gynoecium.
Each flower is 1 to 4 centimeters wide and lacks petals, having instead petallike sepals which are usually white or sometimes yellow. In the center are many long, flat stamens and fewer pistils.
Flowers have 30 to 50 petals each, which are ragged or notched. Pistils are multi-lobed and green, and stamens are cream-colored or yellow. Fruits are various shades of green and long.
The flower has usually five or six shiny yellow petals each a few millimeters long around a central nectary and many stamens and pistils. The fruit is an achene borne in a spherical cluster.
The connective tissue between the lobes of the anthers extends above their tops. Its flowers have 10 pistils with smooth carpels, no apparent styles and elongate stigma (botany). Each ovule has 8-10 ovaries.
These plants are dioecious, i.e. unisexual, with male and female flowers on separate plants. There are 3 to 8 fused sepals, but no petals. The male flowers have 2 to 8 stamens, but no pistils.
Each flower is just over a centimeter wide, with triangular reddish-green or yellowish sepals and round to spoon-shaped white petals. In the center of the flower are usually 20 stamens and several pistils.
They are strawberry-like, with five white or cream petals, five pointed green sepals between the petals, and a round head of pistils in the center with more than 20 stamens in a ring around it. Nectar is secreted from a ring below the pistils. The flowers are small and the nectar and pollen are easy for short-tongued insects to reach. Small short-tongued bees visit the flowers to gather or feed on pollen and nectar, hoverflies feed on pollen, and wasps occasionally feed on nectar.
Stamen & Pistils are a three-piece electronic folk pop group from Washington, D.C., United States. Stamen & Pistils began in 2002 as a side project of Raul Zahir De Leon, whilst working on music as Radel Esca, Dead Artists, and with the Sugar Coated Bullets. Collaborations with Miguel Lacsamana on a few Radel Esca songs became a catalyst for the band. S&P; became an outlet for a simpler songwriting process, opposed to the intricate sample based work of either Radel Esca's or the Sugar Coated Bullets' music.
There is a boss of stamens in the centre and there are several pistils. The fruit is an aggregate of several black, fleshy drupes with a bluish waxy bloom. The dewberry flowers from June to September.
The flowers are borne either singly or in clusters of two or three, on short stalks. A single flower can have pistils, stamens, or both, so flowers can be male, female or hermaphrodite on one tree.
Its pistils lack styles and its stigmas are 2.8-3.6 millimeters long. Its fruit are on 14 by 4 millimeters pedicels. The elliptical, smooth, green fruit are 27-56 millimeters long and have 1-3 seeds.
In common with many New World Buddlejaceae species B. globosa is dioecious: although the flowers appear hermaphrodite in having both male and female parts, only the anthers or pistils are functional in a single plant (:'cryptically dioecious').
They start forming after around 15 years and are superficially similar to a tulip in shape, hence the tree's name. Flowers of L. tulipifera have a faint cucumber odor. The stamens and pistils are arranged spirally around a central spike or gynaecium; the stamens fall off, and the pistils become the samaras. The fruit is a cone-like aggregate of samaras 4–9 cm long, each of which has a roughly tetrahedral seed with one edge attached to the central conical spike and the other edge attached to the wing.
The pistils of a flower are considered to be composed of carpels. A carpel is the female reproductive part of the flower, interpreted as modified leaves that bear structures called ovules, inside which the egg cells ultimately form and composed of ovary, style and stigma. A pistil may consist of one carpel, with its ovary, style and stigma, or several carpels may be joined together with a single ovary, the whole unit called a pistil. The gynoecium may consist of one or more uni- carpellate (with one carpel) pistils, or of one multi-carpellate pistil.
Each inflorescence is packed with flowers, each with five tiny white petals, many whiskery stamens, and usually 5 hairy pistils. The flower parts dry and may fall away, leaving a cluster of developing fruits, follicles containing the seeds.
The leaves are 3 to 8 centimeters long and are made up of hairy, toothed leaflets each one half to one centimeter long. The inflorescence holds several flowers, each with five white petals and up to 20 pistils in the center.
In 2006, John Masters joined the band to fill out the live performances with drums and percussion. Stamen & Pistils' second album, entitled Towns, was released in the Spring of 2007. Both John Masters and Miguel Lacsamana play in the band, Metropolitan.
The flower is up to 3.5 centimeters wide with white petals. The male flowers have rings of stamens at the centers. Female flowers each have a spherical cluster of pistils which develops into a head of tiny fruits.Hickman, J. C. 1993.
The upper leaves are smaller and divided into narrower lobes. The flower has four or five yellow petals a few millimeters long around a central receptacle and many stamens and pistils. The fruit is an achene borne in a spherical cluster.
Flowers have a hypanthium to around 3mm wide. Densely prickly neck to 2mm wide. Sepals have toothed lateral lobes and are glandless, with the tip generally being about equal to the body, which is also toothed. Flowers typically contain 10 pistils each.
The flowers are roughly a centimeter wide and have 11 to 14 yellow-green tepals and several stamens and pistils. The fruit is a star-shaped aggregate of up to 13 follicles, each of which releases one shiny brown seed upon dehiscence.
Each female flower has a spherical cluster of pistils which develops into a group of tiny fruits.Gandoger, Michel. 1920. Bulletin de la Société Botanique de France 66: 294, Sagittaria suksdorfiiBlankinship, Joseph William. 1905. Science Studies, Montana College of Agriculture and Mechanic Arts.
The petals are white and approximately wide by long. It is also hermaphroditic, having both male stamens and female pistils and ovary. There are four long stamens and one wide ovary. The berries produced are about in diameter and contain four seeds.
The flowers are in diameter with a tube in length. Outer tepals are greenish-white, inner tepals are pure white, and pistils are creamy white. Flowers are open from midnight until dawn, attracting hummingbird moths (Hemaris spp.). The shiny, red fruits are around long.
The narrow stems reach 10 to 50 centimeters in height and bear inflorescences of several flowers. Each flower has hairy, lance-shaped bractlets and pointed sepals. The narrow oval petals are white. The center of the flower contains ten stamens and up to 50 pistils.
The flowers range from in diameter, and are predominately white. The receptacle, perianth, and stamens form a chamber where nectar gathers. The pistil of the flower is erect and the stigma is localized above the anthers. The stamens and pistils are strong yet flexible.
The sepals are obovate (with the base slightly tapered) and by . When they are pollinated, the green pistils in the middle of the flower become a rounded to slightly lengthened seed head. The seeds are achenes, with an almost round body and a beak.
The obovate petals are deep purple, long and up to wide, and have notched margins. The filaments are long, bearing anthers. The pistils are 2–2.5 mm long and bear a rough stigma. Fertilized flowers mature to form a by egg-shaped, two-parted seed capsules.
Pistils are depressed globose or depressed trapezoidal in shape, 1-locular and with many ovules. Stamens consist of short filaments with thecae at the tip, dehiscing by a pore. Pollens squeezed out from the theca pore like a droplet. Fruits are berries with round to ellipsoidal shapes.
The pedicel is smooth, perianth cream- white and the pistils long. Flowering occurs from August to November. The small, slightly curved ovoid fruit are in groups of 1-4 on a thick stem, long, wide and tapering gradually to a beak with an easily broken point.
The anthers are attached directly to the receptacle and arranged in a triangle. Its gynoecium consist of 14 to 18 pistils that lack styles. Its stigma are long, curved and ribbed. Its oval fruit are about an inch long and have 3 - 5 cinnamon colored seeds.
It is dioecious, having male and female flowers on different trees. The flowers are tiny, grouped in pussy willow-like catkins. The anthers, two per flower, are yellow, sometimes tipped with red; pistils are red. The fruit is light reddish-brown, long-pointed capsules about 0.75 cm long.
The inflorescence is an open array of up to 40 flowers atop an erect stalk, each flower made up of five pointed green sepals and five white petals. At the center of the flower is a cone of 10 stamens around a bunch of up to 50 pistils.
The foliage and stems are often quite hairy. The inflorescence holds several flowers, each with narrow, pointed bractlets and wider, reflexed sepals. The sepals and five white petals may be tinted with bright pink. The center of the flower holds ten stamens and up to 60 small pistils.
Leaf blades are each divided into several toothed leaflets and are borne on long petioles. The flower has five to eight shiny yellow petals each 1 to 2 centimeters long with many stamens and pistils at the center. The fruit is an achene borne in a spherical cluster.
It blooms in March to April. The flowers occur singly or in pairs, each bearing small white petals. Either the stamens or pistils abort, leaving female or male flowers. The fruit is orange-rust or a yellowish, fuzzy drupe up to 1.6 centimeters wide, with a thin, dry pulp.
The rouille, a spicy mayonnaise which is spread on thick slices of country bread and floated on the bouillabaisse when served, is made with an egg yolk, two cloves of garlic, a cup of olive oil, and ten pistils of saffron, and is seasoned with salt and Cayenne pepper.
Its 3 oblong, outer petals are 1 centimeter long with rounded tips. The petals have shaggy brown hair on their outer surface. Its stamen are 1.5-1.7 millimeters long with anthers that are 1 millimeters long. Its pistils are 1.7 millimeters long with hairy ovaries and heart-shaped stigmas.
The flowers with ovary, narrow and slender pistils are ordered in clusters of 1–3 at the leaf bases. They are colored in a whitish to yellow color. Split-open pods are flattened, wide and long. They are covered with tiny warts and separated into 2–4 segments.
Iris falcifolia is used as a purgative, an oil from the rhizomes was used as an ointment to treat rheumatism. In Baluchistan (Pakistan), 10g of ground flowers (not just the pistils) are mixed with liquid yoghurt and then drunk in the mornings and evenings, as a herbal remedy for dysentery.
Blunt (2004), pp. 34–37. Over that winter, Linnaeus began to doubt Tournefort's system of classification and decided to create one of his own. His plan was to divide the plants by the number of stamens and pistils. He began writing several books, which would later result in, for example, ' and '.
Sepals are hairless and without lobes or teeth. The flowers are small and white with 3-mm petals, occurring either solitary or in fascicles and are without a petal stem (subsessile) growing from the leaf axils. They are dioecious. Male flowers have 10-15 stamens; female, one or more pistils.
The inflorescence is a solitary flower or cyme of up to 5 flowers. The flower has five glandular sepals and five pink petals each up to 1.5 centimeters long. At the center are many stamens and up to 20 pistils. The fruit is a rose hip up to a centimeter wide.
The flower is the angiosperm's reproductive organ. This Hibiscus flower is hermaphroditic, and it contains stamen and pistils. Strobilus of Equisetum telmateia The study of plant organs is referred to as plant morphology, rather than anatomy as in animal systems. Organs of plants can be divided into vegetative and reproductive.
The petals are white or red in color and the ovary is composed of three carpels. The plant has three pistils that are bifurcated from the base and has six clavate scars. The plant's seeds are oblong and the surface is reticulated. When the plant becomes old, its leaves become patent.
Each leaflet is up to long and is widely lance- shaped with toothed edges. The inflorescence is a cyme of several flowers. Each flower has five rounded yellow petals no more than long inside a calyx of hairy, pointed sepals with reddish tips. There are twenty stamens, a separate gynoecium and many pistils.
The fruit of a pineapple includes tissue from the sepals as well as the pistils of many flowers. It is an accessory fruit and a multiple fruit. Some or all of the edible part of accessory fruit is not generated by the ovary. Accessory fruit can be simple, aggregate, or multiple, i.e.
The leaves have oval blades up to 4 centimeters wide which are borne on petioles up to 7 centimeters in length. Flowers have 5 to 7 shiny yellow petals each a few millimeters long and many stamens and pistils. The fruit is an achene borne in a spherical cluster of up to 15.
The inflorescence is made up of one to three flowers on narrow pedicels. The flower has five to eight oval or rounded shiny yellow petals up to 1.5 centimeters long each around a central nectary with many stamens and pistils. The fruit is an achene borne in a cluster of 17 or more.
Each flower has 5 or 6 white sepals which look like petals. The actual petals are much smaller, shiny yellow-green structures curving around the center of the bloom. There are many stamens and pistils in the center. The fruits are bristly, lance-shaped bodies a few millimeters long and clustered together.
Banksia dryandroides is a much- branched, spreading shrub to high, and does not form a lignotuber. The stems are covered with fine reddish hair, and the fernlike leaves are long and wide. The squat cylindrical inflorescences appear from October to January and are high. They are pale brownish in colour with hooked pistils.
Each flower has five calyx lobes, five broad, shallowly-notched petals, thirty stamens, many pistils and a separate gynoecium. The fruit is a receptacle containing several glossy, pale brown achenes. The plant may reproduce by seed or vegetatively by sprouting new shoots from its caudex. Sulphur cinquefoil flowers from June to August.
Sprengel identified the patterns on the petals as nectar guides ("Saftmale") for pollinators. At that time flowers were considered as the place for the marriage of the stamens and pistils and nectar was thought to aid the growing seeds. Bees were thought of as thieves. Sprengel's work was criticized by Johann Wolfgang Goethe.
Sepals may be any color. The pistils have one ovule. The flowers have nectaries, but petals are missing in the majority of species. The fruits are ovoid to obovoid shaped achenes that are collected together in a tight cluster, ending variously lengthened stalks; though many species have sessile clusters terminating the stems.
The terminal leaflet of the leaf is sometimes untoothed. The thin stem is 20 to 60 centimeters tall and holds an inflorescence of several flowers. Each flower has short sepals beneath five round white petals. The center of the flower contains a ring of stamens around a patch of up to 80 thready pistils.
They are also sometimes tinged with pink, especially in drought-stressed plants. The starry flowers form a dense cyme. The calyx has five fleshy sepals fused at the base, the corolla consists of five regular white petals, there are ten stamens, a separate gynoecium and five pistils. The fruit is five united, many-seeded follicles.
The mostly naked stem is up to 15 centimeters long and holds an inflorescence of clustered flowers. Each flower is about half a centimeter wide, with triangular sepals covered in long, white hairs. Between the sepals are narrow, pointed petals of bright yellow. In the center of the flower are a few stamens and pistils.
German botanist Adalbert Schnizlein described B. purpurea in 1843, now regarded as a synonym of B. coccinea. Common names include scarlet banksia, waratah banksia and Albany banksia. Brown published the species in his 1810 On the Proteaceae of Jussieu, its species name derived from the Latin coccineus, meaning "scarlet", and referring to the pistils.
They are also sometimes tinged with red. The starry flowers form a three to six-flowered cyme. The calyx has five fleshy sepals fused at the base, the corolla consists of five regular bright yellow petals, there are ten stamens, a separate gynoecium and five pistils. The fruit is five united, many-seeded follicles.
In 2004 a new variety of the species was named and defined, var. alpestris. This variety is endemic to southern Oregon and it differs from other members of its species by having scales along the lower stem, and often more pistils. It may also be found at higher elevations.Lee, H. and C. Park. (2004).
A gold key was used to wind the mechanism. The clock is crowned with a bouquet of Madonna lilies, carved from onyx. The pistils of the flowers are set with three small rose diamonds, and the leaves and stems are of tinted gold. The egg uses the language of flowers which was well known at the time.
The official logo of the 2019 Pan American Games is inspired by the amancay, an indigenous flower that flourishes from June 24 through September 30. The flower and its pistils represent three athletes with open arms and the three Americas, with the identity of Lima. It was designed by Peruvian graphic designers Juan Diego Sanz and Jorge Luis Zárate.
The somewhat hairy green to reddish-green stems are 10 to 30 centimeters (4 to 12 inches) long and bear inflorescences of a few flowers each. The flower has minute bractlets under larger, pointed sepals and five white petals. The center of the flower contains a ring of stamens around a patch of up to 50 thready pistils.
The green to reddish stem is up to 30 centimeters long and bears an inflorescence of clustered flowers. Each flower is almost a centimeter wide and has hairy pointed sepals and smaller rounded to spoon-shaped yellow petals. In the center of the flower are up to 40 stamens and many pistils. The fruit is a tiny pale achene.
There may be more leaves along the mostly naked stem which are similar in appearance to the leaflets on the basal leaf. The inflorescence has three leaflike bracts and a single flower. The flower has no petals but five petal-like white sepals each one to two centimeters long. There are up to 120 whiskery stamens and many pistils.
Their height to width ratio is about 10:1. One variant is the Tivoli order, found at the Temple of Vesta, Tivoli. The Tivoli order's Corintinan capital has two rows of acanthus leaves and its abacus is decorated with oversize fleurons in the form of hibiscus flowers with pronounced spiral pistils. The column flutes have flat tops.
The areoles at the tips of the tubercles are up to 1.2 centimeters long. Some individuals lack spines, while others have whitish spines up to a centimeter long. Plants 5 to 8 years of age begin to grow magenta flowers up to 5 centimeters long. The pistils are a deep yellow and the stamens are white.
Its flowers have roughly 20 pistils. Its oblong ovaries are about as long as the stamen and contract into a thick styles, which are also as long as the stamen. The styles have a longitudinal channel and their stigma occupy the length of their inward facing surface. Its yellow, oval fruit are 3.8 by 2.5 centimeters.
They are initially hairy and become smooth with maturity, although their undersides remain covered with white hair. The golden-yellow inflorescences appear in summer and autumn (January to April) and are 8–20 cm (3–8 in) high and 6.5 cm (2.6 in) wide. The smooth pistils are 3–3.5 cm long and hooked at the end.
Torta del Casar is a cheese made from sheep's milk in the Extremadura region of Spain. It is named after Casar de Cáceres, its city of origin. The milk is curdled using a coagulant found in the pistils of the cardoon, a wild thistle. This ingredient lends a subtle bitterness to the otherwise rich and slightly salty tasting cheese.
In the leaves, the MMP gene was expressed in the phloem, developing xylem elements, neighboring mesophyll cell layers, and epidermal cells. The flowers were noted as having the gene in pistils, ovules, and receptacles. It was concluded that the At2-MMP has a physiological role in mature aging tissue and the possibility of being involved in plant senescence.
Salix mesnyi is a dioecious plant. Blooming in early spring, female flowers are green and male flowers are yellow. The flowers are without petals, calyx, only stamens or pistils longer than calyx-like bracts. Male flowers, catkins, are about 4–8 cm, containing 4-7 stamens, anthers conspicuously yellow, filaments basally hairy, surrounded by yellow glands.
The petals are unusual and curved often in bright hues of pink to lavender. The corolla is five lobed similar to Dodecatheon dentatum while many other species of Dodecatheon only contain four. The flower, composed of both stamens and pistils is deep purple. The corolla is yellow in color at the base and dark purple at the top.
Her sexual politics is evident in her resistance to Linnaeus' primacy of male sexual features in his classification system,Linnaeus first classified plants into Classes based on the number of Stamens, and then within the classes defined Orders based on the number of pistils, hence Hexandria (six stamens) Trigynia (three pistils). emphasising that the female pistil is of equal importance to the male stamen. Given the constraints on women writers of the times her books were published anonymously 'by a lady' but the introduction of Botanical Lectures is signed with the initials M.E.J. At the very end of the third edition (1827) of Florist's Manual, appear the words "Maria Elizabeth Jackson, Somersal Hall, Uttoxeter, Staffordshire." Since this contains a number of errors, it is possible it was added by the publisher.
The morph phenotype is genetically linked to genes responsible for a unique system of self- incompatibility, termed heteromorphic self-incompatibility, that is, the pollen from a flower on one morph cannot fertilize another flower of the same morph. Heterostylous plants having two flower morphs are termed "distylous". In one morph (termed "pin", "longistylous", or "long-styled" flower) the stamens are short and the pistils are long; in the second morph (termed "thrum", "brevistylous", or "short-styled" flower) the stamens are long and the pistils are short; the length of the pistil in one morph equals the length of the stamens in the second morph, and vice versa. Examples of distylous plants are the primrose and many other Primula species, buckwheat, flax and other Linum species, some Lythrum species, and many species of Cryptantha.
Magnolia × wieseneri showing the many pistils making up the gynoecium in the middle of the flower Hippeastrum flowers showing stamens, style and stigma Hippeastrum stigmas and style Moss plants with gynoecia, clusters of archegonia at the apex of each shoot. Gynoecium (, from Ancient Greek , gyne, meaning woman, and , oikos, meaning house) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) pistils and is typically surrounded by the pollen-producing reproductive organs, the stamens, collectively called the androecium. The gynoecium is often referred to as the "female" portion of the flower, although rather than directly producing female gametes (i.e.
Raspberry beetle larva on a raspberry The pest damages both wild and cultivated raspberries and also blackberries. The beetles eat portions of the flowers and young leaflets and lay their eggs between the stamens and pistils. The larvae tunnel in the developing fruit which remain small, become pale in colour, fade or rot. The larvae then drop to the soil and pupate underground.
The stem and foliage are generally glandular and have a resinous scent. Atop the stem is an inflorescence of several flower clusters, each cluster made up of 5 to 20 small yellow glandular flowers. Each individual flower has five thick, pointed, hairy sepals and five much smaller spoon-shaped yellow petals. At the center are many stamens and several pistils.
At the tip of the stem is an inflorescence of one or more clusters of glandular flowers. Each flower has generally five green and red, densely silver-haired, triangular sepals and five smaller oval or spoon-shaped white petals. The center of the Ivesia argyrocoma flowers contain twenty yellow-anthered white stamens and several pistils. The fruit is a tiny smooth brown achene.
The blades of the leaves are tiny and divided into threadlike segments. If any leaves develop on stem parts which are exposed to air they are much different in morphology, developing larger, more robust leaves. Flowers have generally 5 petals which are white in color and about half a centimeter long. Many stamens and pistils fill the center of the flower.
It bears one flower with usually five white or red-tinged petals each up to 2 centimeters long with white or pinkish sepals at the base. At the center of the flower are many yellow stamens and pistils. The fruit is an achene, borne in a spherical cluster of 14 or more. It was named after Charles Lewis Anderson by Asa Gray.
An abortive flower is a flower that has a stamen but an under developed, or no pistil. It falls without producing fruit or seeds, due to its inability to fructify. Flowers require both male and female organs to reproduce, and the pistils and ovary serve as female organs, while the stamens are considered male organs. Illustrative examples include Urginea nagarjunae and Trichilogaster acaciaelongifoliae.
The leaves are leathery, shining, ovate, elliptic or oblong-ovate, about 12 to 25 centimeters long, and coarsely toothed at the margins. Its flowers are white, large, showy, and about 15 centimeters in diameter with reddish pistils and stamens. The edible fruits are rounded, about six to eight centimeters in diameter, with large fleshy sepals tightly enclosing the true fruit.
Bracts lanceolate, densely ribbed. Bracts in the first whorl as long as the pedicels, in the other whorls they are a third shorter. Pedicels 1 - 3.5 cm long, sepals broadly ovate, leather-like, densely ribbed, 5 – 6 mm long, petals white, obovate, 15 – 18 mm long, stamens 20 - 24, filaments longer than the anthers, pistils numerous, style longer than the ovary.
Each leaf consists of three oval leaflets with serrated margins, the terminal leaflet having a short stalk and the other two being slightly smaller. The inflorescence is a few-flowered corymb. The calyx of each flower has five sepals and the corolla is composed of five narrow white petals. There is a bunch of stamens and there are several pistils.
They have few to many tepals in two or three rows, the inner ones like petals and the outer ones often smaller and more like bracts. A few to many stamens and pistils are at the center. The fruit is an aggregate of follicles arranged in a star-shaped whorl. One seed is in each follicle, released when the follicle dehisces.
It has calyptrate flower petals and the pistils are non-functional in male flowers. Its berries are usually 6–0 mm. in diameter, and darkly purple to black. A holotype specimen was first collected of this species by E. H. Wilson from Xingshan Xian, in Hubei province, China in June 1907, who said it was 'climbing or prostrate over rocks, 600–1200 m.
The flowers are yellow and solitary in the axes of leaves and are borne by yellow-greenish peduncles. Each has a subcampanulated five- lobed corolla and a five-parted calyx. They are monoecious, so the male (stamens) and the female reproductive parts (pistils and ovary) are borne in different flowers on the same plant. The male flowers’ calyx is shorter than the corolla.
In biology, trimorphism is the existence in certain plants and animals of three distinct forms, especially in connection with the reproductive organs. In trimorphic plants there are three forms, differing in the lengths of their pistils and stamens, in size and color of their pollen grains, and in some other respects; and, as in each of the three forms there are two sets of stamens, the three forms possess altogether six sets of stamens and three kinds of pistils. These organs are so proportioned in length to each other that half the stamens in two of the forms stand on a level with the stigma of the third form. To obtain full fertility with these plants, it is necessary that the stigma of the one should be fertilized by pollen taken from the stamens of corresponding height in another form.
From each leaf-bearing node grows an inflorescence of one to three flowers with narrow petallike sepals in shades of light yellow. Most of the flower is made up of a spray of up to 50 stamens and almost as many similar- looking pistils. The fruit is an achene equipped with a long plume-like style. The specific epithet pauciflora is Latin for 'few-flowered'.
The genus was first described by Louis-Marie Aubert du Petit-Thouars in 1804. He described the staminate ("male") flowers as composed only of two stamens and the pistillate (carpellate, "female") flowers as composed only of two pistils. For this reason he named the genus from the Greek "twin" and "members". He described the genus as containing a tree from Madagascar, but did not name the species.
The reddish to greenish stems reach 30 to 50 centimeters in height and bear inflorescences of clustered flowers. The stems, leaves, and inflorescences are all covered in fuzzy white to gray hairs. Each flower is about a centimeter wide, with pinkish-green triangular sepals and longer, narrower pink or purple petals. In the center of the flower are 20 stamens and a few pistils.
Their backs are always directed towards the floral axis. In this manner, the Bombus morio are able to remove the pollen from the anthers of the flowers with stamens. This, combined with its deposition on the stigma of flowers with pistils, allow the Bombus morio to be extremely effective pollinators. The limitation they have as pollinators is that their large body restricts them from reaching smaller flowers.
Stems and the underside of leaves are covered with a thick, white layer of woolly hairs. Flower heads are crowded into a densely packed spike at the tips of the branches. Each head has as many as 50 small yellowish flowers. The plant is monoecious, meaning that some of the flowers have male stamens, while female pistils are in separate flowers in the same head.
Cowslip creeper leaves The flowers blooms as a bouquet consisting of about 10-20 flowers. The greenish-yellow flower has a strong fragrance especially in the evening. It has a diameter of about 1.5 cm with 5 petals and 5 stamens which is connected to each other and to the pistils. The blooming season is usually March–May, although sometimes flowers can be found in July–October.
CA State Board Of Horticulture, Culture Of The Citrus In California, rev. ed. (Sacramento, 1902) 53, 52. The Washington navel is sterile – truly seedless and utterly devoid of pollen with pistils deformed in a way that makes seed production from the pollen of other varieties impossible. Hence, the Washington navel orange is propagated by grafting a bud from an existing tree onto separate (genetically distinct) rootstock.
The leaves of temperate species provide autumn color. Flowers are borne in summer and autumn in panicles of crinkled flowers with a crêpe-like texture. Colors vary from deep purple to red to white, with almost every shade in between. Although no blue-flowered varieties exist, the flowers trend toward the blue end of the spectrum with no orange or yellow except in stamens and pistils.
Like other plants in this genus, creeping raspberries bear aggregate fruits. What this means is that each "fruit" is actually a cluster of small fruit-like parts (pistils) connected together into one mass. Creeping raspberry fruits are similar in appearance to blackberries or red raspberries, but differ in that their color is yellow to orangish-red. The edible fruits follow white flowers which are borne in early summer.
Later it forms rugose ellipsoidal fruit that are long. It regenerates from seed only. It can be confused with Grevillea teretifolia which has a shorter floral rachis and longer pistils. Grevillea leptopoda is found in the Mid West and the Wheatbelt regions from Kalbarri south to Moora growing among medium to low trees in tall shrubland, mallee or heathland It will grow in rocky, stony or sandy lateritic soils.
Ten to twenty (or many more) stamens inserted below the ovary, spirally arranged and forming a ball or flat-topped mass with short and stout filaments and linear to oblong anthers which face outward and open longitudinally. Each flower can have from one to many pistils, distinct to connate, with stigmas distinct. Marginal placentation, each pistil bearing one locule, with one to many ovules. Style short and thick, with terminal stigma.
The inflorescence which rises above the surface of the water is a raceme made up of several whorls of flowers, the lowest node bearing female flowers and upper nodes bearing male flowers. The flower is up to 3 centimeters wide with three white petals. The male flowers have rings of stamens at the centers. Female flowers each have a spherical cluster of pistils which develops into a head of tiny fruits.
It can be up to half a meter tall, or it can remain quite short and clumpy. The leaves vary in shape, the lower ones with oval blades and the upper linear to lance-shaped, all borne on long petioles. The inflorescence bears one or more flowers, each on a long pedicel. The flower has up to 12 yellow petals and many yellow stamens and pistils at the center.
Typical habitat includes marshes, streams, and lakes. Stems are up to 25 centimeters long, prostrate on the ground when terrestrial, or floating when aquatic. The shiny green leaves have heart-shaped or oval blades up to 3 centimeters long which are borne on petioles which may be 15 centimeters in length. Flowers have 5 to 8 shiny yellow petals a few millimeters long with many stamens and pistils at the center.
Hakea erinacea is erect in habit, with spiny short terete leaves, and grows to over 1.5 metres in height and about the same width. The flowers are cream to white in colour with red to purple pistils and are produced between May and November. The small smooth fruit are narrow, curved and end in a short pointed beak. Many Hakea retain their fruit, however this species sheds its seed when ripe.
Both the petals and sepals of the small flowers are five in number and fused below. Five pistils, also fused below, have 10 stamens arranged around them. Dudleya species are widespread in their range, typically found in rock outcroppings, cliff faces, or road cuts, where their leaves help them store water in a setting too dry for most types of plants. Most are small and inconspicuous when not in bloom.
Each flower has carpels that are free from one another, while also having five to 15 pistils. However, these seeds are small due to the large size of its clones yet when seeds are produced seedlings may fail to establish in large numbers. The plant grows in an aggressive manner with its creeping roots. The foliage texture of the plant is coarse and the color ranges from a medium to dark green.
It produces a rosette of flat to cylindrical leaves up to 15 centimeters long, each of which is made up of many tiny, lobed leaflets. The stems may grow erect or drooping to 30 centimeters long and each holds an inflorescence of clustered flowers. Each flower has hairy, greenish triangular sepals and much larger oval-shaped petals of bright yellow. In the center of the flower are usually five stamens and several pistils.
The leaves have blades a few centimetres in length which are deeply divided into three lobes or split into three leaflets. They are hairless to hairy in texture, and are borne at the tips of long petioles. The flower has five shiny yellow petals under long around a lobed central receptacle studded with many stamens and pistils. The fruit is a spiny achene borne in a spherical cluster of 10 to 20.
It is variable in form. In general the plant is a perennial herb producing erect, usually hairy stems up to 65 centimeters tall. The hairy leaves are each made up of three leaflets, leaves occurring lower on the plant with wider leaflets which may be notched to lobed, and upper leaves with narrow, toothed leaflets. The flower has up to 23 shiny yellow petals and many yellow stamens and pistils at the center.
It is a perennial herb producing prostrate, spreading stems that root at nodes that come in contact with moist substrate, or growing erect and branching. The stems are generally hairy, but populations of hairless specimens are known. The leaves are mostly divided into three lobed, toothed leaflets which are borne on long, hairy petioles. The flowers each have five shiny yellow petals under a centimeter long around a center of many stamens and pistils.
Tageteae and Athemideae. Phytologia Memoirs 10: i–ii, 1–22, 43–93 Cotula australis grows low to the ground in a thin mat with some slightly erect, spindly stems. The leaves are divided and subdivided into fringelike lobes. The plant flowers in inflorescences only a few millimetres wide containing minuscule yellow disc florets surrounded by greenish brown bracts and rudimentary ray florets that have been reduced to pistils with no stamens or corolla.
The flower is roselike when new, with rounded white petals and a center filled with many thready stamens and pistils. The ovary of the flower remains after the white petals fall away, leaving many plumelike lavender styles, each 3 to 5 centimeters long. The plant may be covered with these dark pinkish clusters of curling, feathery styles after flowering. Each style is attached to a developing fruit, which is a small achene.
Orange flowers & long leaves, Australian National Botanic Gardens Two geographically distinct forms are recognised: ;Banksia ericifolia subsp. ericifolia: The nominate race is found in the Sydney basin, south to the Illawarra and north to Collaroy, as well as the Blue Mountains. The seedling leaves have 2–6 teeth on each margin, while the perianths are long and pistils are long. Salkin noted that this subspecies often grew in association with Banksia spinulosa var.
The leaves occasionally vary in shape, they may be linear, narrowly egg-shaped, flat or concave with prominent veins. The inflorescence consists of 8-14 white, sweetly scented flowers is a single raceme in clusters in the leaf axils or on old wood. The cream-white pedicels are smooth, the perianth cream-white and the pistils long. The egg-shaped fruit are the smallest in the genus less than long and wide.
The Ironcap Banksia is an open, spreading, woody shrub some high by up to wide. The foliage is glaucous (pale blue-grey), with bright green new growth. The roundish to elongated golden-yellow inflorescences appear in autumn, larger and more elongate than spherical as with the other forms of B. sphaerocarpa. It derives its name from its 50–65 mm long pistils, the longest of any banksia, and perianth (49–55 mm).
In Nicotiana attenuata HypSys is known to not be involved in defence against insect herbivores. Silencing and over-expression of HypSys does not affect the feeding performance of larvae compared to normal plants. Berger silenced HypSys and found that it caused changes in flower morphology which reduced the efficiency of self-pollination. The flowers had pistils that protruded beyond their anthers, a similar phenotype to CORONATINE-INSENSITIVE1-silenced plants which lack a jasmonate receptor.
Each of its lobes is oblong-round in shape and measures 4 millimeters long and 1.5 millimeters wide, filled with reddish trichomes. The petals may be either white or red in color, and its ovary is composed of three carpels. The plant has three pistils that are bifurcated from the base and has six scars that clavate. The seeds from the plant are an oblong-round shape, and the surface is reticulated.
The whole leaf is downy-pubescent, and a somewhat brighter, yellower green than many other tree leaves. The male flowers are inconspicuous yellow-green catkins produced in spring at the same time as the new leaves appear. The female flowers have pink/ red pistils. The fruit is a nut, produced in bunches of 4-10 together; the nut is spherical, 3–5 cm long and broad, surrounded by a green husk before maturity in mid autumn.
Manekia members are characterized by scandent or lianescent habits and by short sympodial branches holding the spikes. Flowers possess four stamens, four-carpellate pistils with 4−5 stigmas. Berries are fully or partially immersed in the rachis. When compared to other Piperaceae genera, the ecology of Manekia appears rather distinct, with plants invading forest litter, forming large mats of reptant stems, and eventually colonizing nearby phorophytes, reaching the canopy, and often forming large masses on the top before blooming.
In this species, leaves that develop in the open air have somewhat rounded blades that are divided into a number of short, blunt, wide lobes. Leaves that develop underwater have narrow, even threadlike lobes. The inflorescence is made up of one or more flowers with five to fourteen, but generally no more than eight, shiny yellow petals. The petals, each up to 1.3 centimeters in length are arranged around a central nectary with many stamens and pistils.
Animals evolved to exploit plant tissues and energy stores and in response plants developed a number of defenses, including neurotoxins. The presence and concentration of these toxins vary by plant tissue, with leaves and organs central to reproduction and energy conservation displaying high toxin concentrations (e.g. pistils/stamens and storage organs) and absent in tissue central to seed dispersion (e.g. fruit). The power and effectiveness of plant neurotoxic substances has been shaped by ~400 million years of evolution.
McGregor, S.E. Insect Pollination Of Cultivated Crop Plants USDA, 1976 Its pollen is shed as permanent tetrads.Walker JW (1971) Pollen Morphology, Phytogeography, and Phylogeny of the Annonaceae. Contributions from the Gray Herbarium of Harvard University, 202: 1-130. ;Fruits and reproduction: Aggregate and soft fruits form from the numerous and loosely united pistils of a flower which become enlarged and mature into fruits which are distinct from fruits of other species of genus (and more like a giant raspberry instead).
The flowers are immediately taken to the manufacturing plant and stripped of their pistils. The flower portion is placed in refined coconut oil for a minimum of 15 days. This is known as "enfleurage" (flower soaking), a French term used to designate a specific extraction step. According to specific maceration standards set by the decree of Appellation d'Origine, which each manufacturer must scrupulously follow, a minimum of 15 tiare flowers must be used in every liter of refined coconut oil.
It is a small genus of 3 known species of mostly herbaceous flowering plants with corms.Kew World Checklist of Selected Plant Families They have flowers with petals and petaloid sepals (tepals) with compound pistils. The genus is named for Austrian and Russian botanist Wilibald Swibert Joseph Gottlieb von Besser (1784–1842). Bessera elegans, called coral drops, is cultivated and is a half-hardy Mexican herbaceous plant growing from corms with drooping terminal umbels of showy red-and-white colored flowers.
The inner petals are 2.3 by 1 centimeters and are connected at their margins forming a cone that is wider at the base and narrower at the top. The inner petals are hairless on their inner surfaces and covered in fine hairs on their outer surfaces. Its flowers have numerous stamen that are 3.5 millimeters long and taper to a sharp point at their tip. Its flowers have numerous pistils with oblong carpels that are 1.5 millimeters long and covered in fine hairs.
This behavioral response allows pollen tubes to attack flower pistils and drop off sperm cells to ovules for fertilization. Carlos Agudelo and colleagues investigated the relationship between electrical signaling and pollen tube growth. The model organism used by the researcher was Camellia japonica pollen, because it displayed a differential sensitivity to the electrical fields when different parts of the tube were exposed. This flower is found in the wild areas of mainland China and Taiwan at elevations of 300–1100 meters.
He considered its closest relative to be B. caleyi, from which it differs in having narrower leaves with fewer, larger lobes; longer perianths, which grade from red to cream rather than from cream to red; shorter pistils; and also differences in the follicles, seeds and flowering time. In 1996, Kevin Thiele and Pauline Ladiges published the results of a cladistic analysis of morphological characters of Banksia. They retained George's subgenera and many of his series, but discarded his sections. George's B. ser.
Tetragonae because of its pendulous inflorescences. He considered its closest relative to be B. aculeata, which has narrower leaves with fewer, larger lobes; longer perianths, which grade from red to cream rather than from cream to red; shorter pistils; and also differences in the follicles, seeds and flowering time. In 1996, Kevin Thiele and Pauline Ladiges published the results of a cladistic analysis of morphological characters of Banksia. They retained George's subgenera and many of his series, but discarded his sections.
The flowers are often small, with single whorled or absent perianth. Most flowers have either petals or sepals, but not both, known as monochlamydeae, and have pistils and stamens in different flowers, known as diclinous. Except for Brosimum gaudichaudii and Castilla elastica, the perianth in all species of the Moraceae contain sepals. If the flower has an inflexed stamen, then pollen is released and distributed by wind dispersal; however, if the stamen is straight, then insect pollination is most likely to occur.
Quaint hyperbole of plants celebrating steamy nuptials on softly perfumed pedaled beds surrounded the discovery of plant sexuality. Plant sexuality was strongly assimilated to heterosexual models of human affections, even though the majority of the flowers are hermaphroditic. Here Schiebinger reveals how Linnaean taxonomy recapitulated social hierarchies by setting the taxon defined by the male stamens above that defined by female pistils. Best known is her chapter “Why Mammals are Called Mammals.” recounting the torrid history of the breast in eighteenth-century Europe.
A few, such as Acer laevigatum (Nepal maple) and Acer carpinifolium (hornbeam maple), have pinnately veined simple leaves. Acer rubrum (red maple) flowers Maple species, such as Acer rubrum, may be monoecious, dioecious or polygamodioecious. The flowers are regular, pentamerous, and borne in racemes, corymbs, or umbels. They have four or five sepals, four or five petals about 1 – 6 mm long (absent in some species), four to ten stamens about 6 – 10 mm long, and two pistils or a pistil with two styles.
The hypanthium is 3-6 mm wide, with yellow obchordate petals 6-11 mm in length. Up to 10 inflorescences may present in a single plant. Filaments are typically 1.5 to 4.0 mm in length, while anthers are only about 1.0 mm in size; moreover, the pistils generally number about 10 and the slender styles are about 2-3 mm long.Philip A. Munz, A California Flora, University of California Press, Berkeley, Ca. (1973) The somewhat subglabrous leaves are pinnately compound into generally six paired, palmately cleft leaflets.
Described as a distinct subspecies in 1996 by Alex George from material he collected at Byron Bay in 1975, it is distinguished by finer foliage, more crowded leaves and larger flowers, with the perianths long and pistils long. The seedling leaves have one, or occasionally two teeth on each margin. Salkin observed that the inflorescences tended to be terminal rather than axial, and others have noted them to be sometimes taller than the nominate subspecies. Crowdy Bay, in particular, hosts specimens with spikes up to in height.
Nines is a special and defense force directly subordinate to APE and Zero Two's former unit, which originally appeared as a result of attempts to create functional pairs from her DNA. In their pairs, pistils and stamens change places, which together with their "genderness" means them as an alternative to traditional heterosexual relationships in other pairs. In this regard, all members of the squad have an underlined androgynous appearance and fundamentally avoid any gender roles in their behavior. ; : :The narcissistic and mischievous leader of the Nines.
The Magnoliaceae () are a flowering plant family, the magnolia family, in the order Magnoliales. It consists of two subfamilies: Magnolioideae, of which Magnolia is the best-known genus, and Liriodendroidae, a monogeneric subfamily, of which Liriodendron (tulip trees) is the only genus. Unlike most angiosperms, whose flower parts are in whorls (rings), the Magnoliaceae have their stamens and pistils in spirals on a conical receptacle. This arrangement is found in some fossil plants and is believed to be a basal or early condition for angiosperms.
Lacandonia is a small parasitic plant that lacks chlorophyll and has a rhizomatous, mycotrophic habit. This genus exhibits racemous inflorescences and bract-like leaves. The flowers are actinomorphic and are considered "inverted" from the typical flower arrangement-usually 3 (but sometimes two to four) stamens are in the center of the flower surrounded by 60 to 80 pistils. This characteristic where the position of the androecium and the gynoecium are inverted is unique in the known and described taxa of flowering plants.Vázquez-Santana, S., Engleman, E. M., Martínez-Mena, A., and Márquez- Guzmán, J. (1998).
Secondary venation is eucamptodromous, brochidodromous, craspedodromous or cladodromous (rarely reticulodromous) Cladodromous venation, if present is considered diagnostic for Anacardiaceae. Flowers grow at the end of a branch or stem or at an angle from where the leaf joins the stem and have bracts. Often with this family, bisexual and male flowers occur on some plants, and bisexual and female flowers are on others, or flowers have both stamens and pistils (perfect). A calyx with three to seven cleft sepals and the same number of petals, occasionally no petals, overlap each other in the bud.
Flower of zucchini The female flower is a golden blossom on the end of each emergent zucchini. The male flower grows directly on the stem of the zucchini plant in the leaf axils (where leaf petiole meets stem), on a long stalk, and is slightly smaller than the female. Both flowers are edible and are often used to dress a meal or to garnish the cooked fruit. Firm and fresh blossoms that are only slightly open are cooked to be eaten, with pistils removed from female flowers, and stamens removed from male flowers.
Each of the first ten classes (A–K) is named according to the number of stamens, beginning with Monandria (one stamen), Diandria (two stamens), etc. up to Decandria (ten stamens). The flowers in the eleventh (L) class, Dodecandria, have 12–19 stamens. The following four classes (M–P) are characterized not only by the number of stamens but also by their position; the four classes (Q–T) have stamens united in a bundle or phalanx, the next three classes (V–Y) have stamens and pistils in separate flowers.
TTS proteins were also placed on various locations of semi in vevo pollinated pistils, and pollen tubes were observed to immediately extend toward the proteins. Transgenic plants lacking the ability to produce TTS proteins exhibited slower pollen tube growth and reduced fertility. Rupture of pollen tube The rupture of the pollen tube to release sperm in Arabidopsis has been shown to depend on a signal from the female gametophyte. Specific proteins called FER protein kinases present in the ovule control the production of highly reactive derivatives of oxygen called reactive oxygen species (ROS).
The flower head is encompassed by between 10 and 18 white ray florets, each with a three-toothed shape; the florets tend to curve downwards around the edges and may occasionally have pistils, although these do not produce fruit. Beneath the flower proper, oval bracts of the plant form an involucre, with soft hairs on each; further bracts are bristled and sit at right angles to the flowers. ;Fruits: The fruits are achenes (with no pappus). They are wrinkled, ribbed with ten ridges, and have small glandular bumps across the surface.
This greater pollen tube width within the mutants indicates the decrease in the growth of polarized cells and thus decrease in tip growth. Next, pollen grains from the wild type and mutants were collected to compare the pollination activities between the wild types and mutants. There was decreased activity and minimal penetration within the mutants whereas an increased activity and penetration through the style and to the bottom of the pistils within the wild types. These observations indicated the delayed pollen tube growth in the rmd-1 mutants.
Much research has been done on homeotic genes in different organisms, ranging from basic understanding of how the molecules work to mutations to how homeotic genes affect the human body. Changing the expression levels of homeotic genes can negatively impact the organism. For example, in one study, a pathogenic phytoplasma caused homeotic genes in a flowering plant to either be significantly upregulated or downregulated. This led to severe phenotypic changes including dwarfing, defects in the pistils, hypopigmentation, and the development of leaf-like structures on most floral organs.
Pelargonium coronopifolium is a diploid with a base chromosome number of 10 (2n=20). It is an upright, herbaceous subshrub with main stems of up to high, that are rough under the level of the leaves because of the remains of old leaves and stipules. A plant may sprout several stems from the underground rootstock. All above-ground parts are covered in short hairs that are pressed stifly against the surface, and fewer glandular hairs, except for the pistils, stamens, staminodes, petals, and the inside of the sepals.
This species has also been involved in the rotting of strawberry blossoms. Infection of strawberry blossoms by C. cladosporioides has been associated with simultaneous infections by Xanthomonas fragariae (in California), and more recently C. tenuissimum (in Korea). C. cladosporioides infects the anthers, sepals, petals and pistils of the strawberry blossom and is typically observed on older flowers with dehisced anthers and signs of senescence. From 1997-2000, there was a higher proportion of misshapen fruits due to C. cladosporioides infection, and their culling affected the strawberry industry in California.
Above all it was Swedish Carl Linnaeus (1707–1778) who eased the task of plant cataloguing. He adopted a sexual system of classification using stamens and pistils as important characters. Among his most important publications were Systema Naturae (1735), Genera Plantarum (1737), and Philosophia Botanica (1751) but it was in his Species Plantarum (1753) that he gave every species a binomial thus setting the path for the future accepted method of designating the names of all organisms. Linnaean thought and books dominated the world of taxonomy for nearly a century.
Although the marsh woundwort has little fragrance, it is very attractive to bumblebees. Nectar indicators guide the insect to probe into the centre of the flower and the anthers of the stamens and the pistils are correctly located for the insect to transfer pollen between flowers. The seeds of this plant disperse well, the dry fruit capsules float away and this probably why the plant is frequently found on the banks of lakes and other bodies of water. It also spreads vegetatively by means of hollow tuberous root which can throw up shoots far from the original plant.
Superman normally restricts the effect of another gene called (APETALA3) in the fourth whorl, leaving APETALA3 expression only present in the second and third whorls. APETALA3 is a gene normally associated with the development of a stamen in the third whorl, so by its restriction, we allow for the development of other organs in the fourth whorl (such as the Pistil). A mutation which completely removes superman gene function would result in flowers that carry extra stamens, replacing the pistils which would normally be developing in the fourth whorl. This mutation was named the sup-1 mutation.
The pistils of pollinated flowers develop into a head of many small brown seeds, which are enclosed by a cup made up of the dried-up sepals. The root system is a taproot with short rhizomes at the surface, which allow the plant to form tight clumps. Drymocallis arguta is thought to be a protocarnivorous plant. In a 1999 experiment, several plants in the Pacific Northwest were tested for the carnivorous syndrome, using the digestion of proteins as the diagnostic tool to determine which plants appeared to produce protease enzymes capable of breaking down potential prey.
Variance in SI alleles parallels the variance in flower morphs, thus pollen from one morph can fertilize only pistils from the other morph. In tristylous flowers, each flower contains two types of stamens; each stamen produces pollen capable of fertilizing only one flower morph, out of the three existing morphs. A population of a distylous plant contains only two SI genotypes: ss and Ss. Fertilization is possible only between genotypes; each genotype cannot fertilize itself. This restriction maintains a 1:1 ratio between the two genotypes in the population; genotypes are usually randomly scattered in space.
Wild artichokes of south Italy: did the story begin here? Genetic Resources and Crop Evolution 51 (6): 577-580. Abstract In Spain and Portugal, the flower buds are also employed in cheesemaking: the pistils of the cardoon flower are used as a vegetable rennet in the making of some cheeses such as the Torta del Casar and the Torta de la Serena cheeses in Spain, or the Queijo de Nisa and Serra da Estrela cheeses in Portugal. Cardoon leaf stalks, which look like giant celery stalks, can be served steamed or braised, and have an artichoke- like flavour with a hint of bitterness.
Hyperforin has only been found in significant amounts in Hypericum perforatum with other related species such as Hypericum calycinum containing lower levels of the phytochemical. It accumulates in oil glands, pistils, and fruits, probably as a plant defensive compound. The first natural extractions were done with ethanol and afforded a 7:1 yield of crude extract to phytochemical however, this technique produced a mixture of hyperforin and adhyperforin. The extraction technique has since been modernized using lipophilic liquid CO2 extraction to afford a 3:1 crude to phytochemical extraction which is then further purified away from adhyperforin.
Pistils begin as small primordia on a floral apical meristem, forming later than, and closer to the (floral) apex than sepal, petal and stamen primordia. Morphological and molecular studies of pistil ontogeny reveal that carpels are most likely homologous to leaves. A carpel has a similar function to a megasporophyll, but typically includes a stigma, and is fused, with ovules enclosed in the enlarged lower portion, the ovary. In some basal angiosperm lineages, Degeneriaceae and Winteraceae, a carpel begins as a shallow cup where the ovules develop with laminar placentation, on the upper surface of the carpel.
Sp. pl. p. 258 \- text incorporating the description in Species Plantarum and deriving from volume one of Linnaeus's earlier work Hortus Upsaliensis of 1748, in which a binomial was assigned the plant discovered by Gmelin [see section above]. All the above noted, because of the time of year at which the Leiden specimen was drawn, no ripe fruiting calyces were available for depiction. Furthermore the flowers of the specimen display exserted pistils and stamens and the leaves have pointed tips and sinuate margins - all of which suggest an identity compatible more with the Caucasian Physochlaina orientalis rather than the Siberian P. physaloides.
A. thaliana has been extensively studied as a model for flower development. The developing flower has four basic organs: sepals, petals, stamens, and carpels (which go on to form pistils). These organs are arranged in a series of whorls: four sepals on the outer whorl, followed by four petals inside this, six stamens, and a central carpel region. Homeotic mutations in A. thaliana result in the change of one organ to another—in the case of the agamous mutation, for example, stamens become petals and carpels are replaced with a new flower, resulting in a recursively repeated sepal-petal-petal pattern.
In his study of flowering plants, Genera plantarum (1789), Jussieu adopted a methodology based on the use of multiple characters to define groups, an idea derived from naturalist Michel Adanson. This was a significant improvement over the "artificial" system of Linnaeus, whose most popular work classified plants into classes and orders based on the number of stamens and pistils. Jussieu did keep Linnaeus' binomial nomenclature, resulting in a work that was far-reaching in its impact; many of the present- day plant families are still attributed to Jussieu. Morton's 1981 History of botanical science counts 76 of Jussieu's families conserved in the ICBN, versus just 11 for Linnaeus, for instance.
The region is home to a variety of cheeses, those most well known being Torta del Casar, produced in Casar de Cáceres and surrounding area, and Torta de la Serena, produced in the comarca of la Serena. Both have a denominación de origen and both are sheep milk cheeses that are curdled using a coagulant found in the pistils of cardoon (Cynara cardunculus), which gives a creamy consistency and a rich taste with a light bitterness. These cheeses are traditionally eaten by slicing off the top and scooping out the inside with a spoon, then spreading it on bread. They're somewhat similar to Serra da Estrela cheese in Portugal.
Herbs, perennial, stout, to 100 cm; rhizomes present. Leaves emersed, submersed leaves mostly absent; petiole 5--6-ridged, 17.5--45 cm; blade with translucent markings distinct lines, ovate to elliptic, 6.5--32 ´ 2.5--19.1 cm, base truncate to cordate. Inflorescences racemes, of 3--9 whorls, each 3--15-flowered, decumbent to arching, to 62 ´ 8--18 cm, often proliferating; peduncles terete, 35–56 cm; rachis triangular; bracts distinct, subulate, 10–21 mm, coarse, margins coarse; pedicels erect to ascending, 2.1-- 7.5 cm. Flowers to 25 mm wide; sepals spreading, 10–12-veined, veins papillate; petals not clawed; stamens 22; anthers versatile; pistils 200–250.
Sagittaria lancifolia L. The plant is conspicuous for its large, lance-shaped leaves which grow up from underground rhizomes and its showy, white three-petaled flowers which form at the end of long, thick stalks. Each flower has three green sepals, three white or pink-tinged petals, at least six stamens, and pistils which may be in separate flowers. The plant likes to grow in fresh or brackish water and is commonly found in ditches, marshes, swamps and along the shores of lakes and streams. Sagittaria lancifolia reproduces both asexually through spreading rhizomes and sexually through reproduction of copious achenes, a dry fruit each of which carries a single seed.
Flowers occur in "flower spikes", or inflorescences, made up of hundreds of small flowers, or florets, densely packed around a woody axis. Quite conspicuous, they are terminal (occurring on the ends of branches) or on short side branchlets. Round or oval in shape, the cream or tan inflorescences are 3 to 6 cm (1.2–2.4 in) high and 7–9 cm (2.8–3.6 in) wide. The individual flowers are light yellow or cream, with the styles and upper floral parts purple. The perianths measure 2.7 to 3.5 cm (1–1.6 in), while the pistils 3.4 to 4.5 cm (1.6–1.8 in) in length and are curved at the apex.
Vitis silvestrii (known locally as hu bei pu tao, which means Hubei grape) is a species of polygamo-dioecious plant in the grape family native to the forested slopes of western Hubei and southern Shaanxi in China from 300 to 1200 meters above sea level. Its flowers appear in May, males having abortive pistils Vitis silvestrii should not to be confused with the very similarly named V. sylvestris Bartram A description of V. sylvestris was first published in Medical Repository 1: 21. 1804. (Eurasian wild grape), which some botanists and taxonomists believe to be synonymous with V. vinifera ssp. silvestris, the dioecious, ancestral form of V. vinifera.
Clematis lasiantha, the pipestem clematis, flowers from January to June. Its leaves are 3-lobed, and generally grow groups of three to five leaflets, the largest leaves on the plant normally being between 3 and 5 cm in size. The pipestem clematis can be distinguished from the similar (but much more widely ranging) virgin's bower by the fact that pipestems normally only have one flower on each stalk, and at most three, whereas the virgin's bower has multiple flowers on each stem. The pipestem also has more pistils in each flower, but since both species have many, this is not an easy criterion to apply.
The inflorescens is a raceme of tree to seven flowers on a common inflorescens stem ⅔–2 or exceptionally 3½ cm long, and stems of the individual flower mostly a bit shorter. The flowers are orange in color and ½–1 cm long, with about 14 tepals, that change in shape form almost circular to ovate going out. The filaments are 3 mm long and do not have a tooth on each side, unlike in many other Berberis species, and the anther is about 1½ mm long. The pistils are 3–7 mm long and almost cylindrical and are topped with a stigma of about 1½ mm across.
Descriptive color words are words that are secondarily used to describe a color but primarily used to refer to an object or phenomenon. 'Salmon', 'rose', 'saffron', and 'lilac' are descriptive color words in English because their use as color words is derived in reference to natural colors of salmon flesh, rose flowers, infusions of saffron pistils, and lilacs blossoms respectively. Often a descriptive color word will be used to specify a particular hue of basic color term (salmon and rose [descriptive] are both hues of pink). Colors in some languages may be denoted by descriptive color words even though other languages may use an abstract color word for the same color; for example in Japanese pink is (, lit.
Banksia burdettii was described in 1934 by Edmund Gilbert Baker, from a specimen grown from seed collected at Watheroo by one W. Burdett in 1930. Baker felt it had affinities to B. baueri, B. prionotes and B. menziesii, placing it in the series Cyrtostylis. In 1981, Alex George published a revised arrangement that placed B. prionotes in the subgenus Banksia because of its flower spike, section Banksia because its styles are straight rather than hooked, and the series Crocinae, a new series of four closely related species, all with bright orange perianths and pistils. George's arrangement remained current until 1996, when Kevin Thiele and Pauline Ladiges published an arrangement informed by a cladistic analysis of morphological characteristics.
A chough probably looking for supplementary food is perching on a railing alongside visitors to thumb In the summer, the Alpine chough feeds mainly on invertebrates collected from pasture, such as beetles (Selatosomus aeneus and Otiorhynchus morio have been recorded from pellets), snails, grasshoppers, caterpillars and fly larvae. The diet in autumn, winter and early spring becomes mainly fruit, including berries such as the European Hackberry (Celtis australis) and Sea-buckthorn (Hippophae rhamnoides), rose hips, and domesticated crops such as apples, grapes and pears where available. It has been observed eating flowers of Crocus vernus albiflorus, including the pistils, perhaps as a source of carotenoids. The chough will readily supplement its winter diet with food provided by tourist activities in mountain regions, including ski resorts, refuse dumps and picnic areas.
Stem erect, longer than the leaves, glabrous or rarely scabrous, 30 – 80 cm long. Inflorescence racemose having 3 - 9 whorls containing 6 - 12 flowers each, proliferous. Bracts as long as the pedicels, or hardly longer, to 1.5 cm long, having 9 - 11 ribs and membraneous margins. Pedicels usually 1 - (2.5) cm long, sepals 5 – 6 mm long having 16 - 20 undistinct ribs, petals white, 1.7 – 2 cm long, corolla 2.5 – 4 cm in diameter. Stamens 20 - 25, anthers as long as the filaments, pistils numerous. Aggregate fruit globular or ovate, 5 – 7 mm in diameter. Achenes 2 - 2.3 mm long x 0.9 – 1 mm wide having usually 4 lateral ribs and (1) - 3 glands placed in a row in the upper half of the body. Beak erect or bent, 0.5 mm long.
The ingredients of a traditional Marseille bouillabaisse vary depending upon what fish are available that day and the taste of the chef. These are the typical ingredients used in one of the most traditional Marseille restaurants, the Grand Bar des Goudes on Rue Désirée-Pelleprat:Jean- Louis André, Cuisines des pays de France, Éditions du Chêne, 2001 Four kilograms of fish and shellfish, including, on a typical day, grondin (English sea robin), Rascasse (Scorpaena scrofa), rouget grondin (red gurnard), congre (English conger), baudroie (lotte, or monkfish), Saint-Pierre (English John Dory), vive (English weever), and sea urchins. Other ingredients in the broth include a kilogram of potatoes, seven cloves of garlic, onions, ripe tomatoes, and a cup of olive oil. The broth is seasoned with a bouquet garni, fennel, eight pistils of saffron, salt and Cayenne pepper.
Anemone coronaria is a herbaceous perennial tuberous plant growing to 20–40 cm tall, rarely to 60 cm (0.75–1.50 feet), spreading to 15–23 cm (0.50 to 0.75 feet), with a basal rosette of a few leaves, the leaves with three leaflets, each leaflet deeply lobed. The flowers which bloom from April to June are borne singly on a tall stem with a whorl of small leaves just below the flower; the flower is 3–8 cm diameter, with 5–8 red (but may be white or blue) showy petal-like tepals and a black centre. The pollen is dry, has an unsculpted exine, is less than 40 nm in diameter, and is usually deposited within 1.5 m of its source. This central mound consists of tightly packed pistils in the centre, with a crown-like ring of stamens surrounding this, which gives the species its name.
Buffon also disagreed with Linnaeus's system of classifying plants as described in Systema Naturae (1735). In Buffon's view, expounded in the "Premier Discours" of the Histoire Naturelle (1749), the concept of species was entirely artificial, the only real entity in nature being the individual; as for a taxonomy based on the number of stamens or pistils in a flower, mere counting (despite Buffon's own training in mathematics) had no bearing on nature. The Paris faculty of theology, acting as the official censor, wrote to Buffon with a list of statements in the Histoire Naturelle that were contradictory to Roman Catholic Church teaching. Hypocritically, Buffon replied that he believed firmly in the biblical account of creation, and was able to continue printing his book, and remain in position as the leader of the 'old school', complete with his job as director of the royal botanical garden.
The plants are annual or perennial, growing emersed, floating-leaved, or seasonally submersed, leaves glabrous to stellate-pubescent; rhizomes present or absent; stolons absent; corms absent; tubers absent. Roots not septate. Leaves sessile or petiolate; petioles triangular, rarely terete; blade with translucent markings as dots or lines present or absent, linear to lanceolate to ovate, base attenuate to cordate, margins entire or undulating, apex obtuse to acute. Inflorescences racemes or panicles, rarely umbels, of 1-18 whorls, erect or decumbent, emersed; bracts coarse, apex obtuse to acute, surfaces smooth or papillose along veins, apex obtuse to acute. Flowers bisexual, subsessile to pedicellate; bracts subtending pedicels, subulate to lanceolate, shorter than to longer than pedicels, apex obtuse to acute; pedicels ascending to recurved; receptacle convex; sepals recurved to spreading, herbaceous to leathery, sculpturing absent; petals white, entire; stamens 9-25; filaments linear, glabrous; pistils 15-250 or more, spirally arranged on convex receptacle, forming head, distinct; ovules 1; style terminal or lateral.

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