The common name of <i>Allium fistulosum</i> is welsh onion. It has no distinct bulb, but only an enlarged base or crown. The leaves are usually clustered.

Allium Fistulosum

The common name of Allium fistulosum is welsh onion. It has no distinct bulb, but only an enlarged base…

The flowers of <i>Allium moly</i> are numerous and appear in early spring. The leaves are flat and broad.

Allium Moly

The flowers of Allium moly are numerous and appear in early spring. The leaves are flat and broad.

The leaves of <i>Allium neapolitanum</i> are long and narrow. The flowers are large, pure white, with colored stamens.

Allium Neapolitanum

The leaves of Allium neapolitanum are long and narrow. The flowers are large, pure white, with colored…

The common name of <i>Allium tricoccum</i> is common wild leek. The flowers are greenish white on a scape four to twelve inches high. This plant grows in clumps.

Allium Tricoccum

The common name of Allium tricoccum is common wild leek. The flowers are greenish white on a scape four…

The leaves of <i>Alloplectus schlimii</i> are green above and violet or violet purple beneath. The calyx is spotted with green and the corolla is yellow scarlet below, shading upward into a delicate violet.

Alloplectus Schlimii

The leaves of Alloplectus schlimii are green above and violet or violet purple beneath. The calyx is…

The leaves of <I>Aloe mitriformis</I> are upcurved and slight egg shaped. The leaves are somewhat prickly toward the tip beneath. The flowers are two inches long and bright red.

Aloe Mitriformis

The leaves of Aloe mitriformis are upcurved and slight egg shaped. The leaves are somewhat prickly toward…

<I>Alonso incisifolia</I> grows about two feet high. The flowers grow nearly two inches across, are irregular, and scarlet. There is also a white flowered variety.

Alonsoa Incisifolia

Alonso incisifolia grows about two feet high. The flowers grow nearly two inches across, are irregular,…

<I>Alpine Mutica</I> has very short stalked leaves. The outer segments of the flowers are white while the bright yellow lip is veined with crimson.

Alpinia Mutica

Alpine Mutica has very short stalked leaves. The outer segments of the flowers are white while the bright…

The flowers of <I>Alstroemeria pulchella</I> are dark red tipped with green and spotted inside with brown. The flowering stem is two to three feet tall with scattered leaves.

Alstroemeria Pulchella

The flowers of Alstroemeria pulchella are dark red tipped with green and spotted inside with brown.…

The common name of <I>Althaea officials</I> is marsh mallow. The flowers are blush or rose and one inch across. The root can be used for medicinal purposes.

Althaea Officinalis

The common name of Althaea officials is marsh mallow. The flowers are blush or rose and one inch across.…

<I>Alyssum argenteum</I> is a dwarf and dense grower. The flowers are yellow and grow in clustered heads. The flowers bloom all summer.

Alyssum Argenteum

Alyssum argenteum is a dwarf and dense grower. The flowers are yellow and grow in clustered heads. The…

The common name of <I>Alyssum saxatile</i> is golden tuft. The numerous flowers are golden yellow. The plant grows one foot high.

Alyssum Saxatile

The common name of Alyssum saxatile is golden tuft. The numerous flowers are golden yellow. The plant…

Sweet alyssum is the common name of <I>Alyssum maritime</i>. The flowers grow in clusters at the end of the stems. The flowers have a honey scent. The leaves taper to the base.

Sweet Alyssum

Sweet alyssum is the common name of Alyssum maritime. The flowers grow in clusters at the end of the…

The <I>Amaranths gangeticus</i> plant is three feet tall or smaller, usually only one foot tall. The flowers grow in short spikes.

Amarantus Gangeticus

The Amaranths gangeticus plant is three feet tall or smaller, usually only one foot tall. The flowers…

The common name of <I>Amaryllis belladonna</I> is belladona lily. The flowers are usually rose red and fragrant. The flowers resemble the lily.

Amarylis Belladona

The common name of Amaryllis belladonna is belladona lily. The flowers are usually rose red and fragrant.…

<I>Amelanchier alnifolia</I> is a ten foot tall shrub with stout, upright branches. The flowers are rather small. The fruit is black and bloomy.

Amelanchier Alnifolia

Amelanchier alnifolia is a ten foot tall shrub with stout, upright branches. The flowers are rather…

The branch of an Amelanchier obovalis tree, native to North America.

Branch of Amelanchier Obovalis

The branch of an Amelanchier obovalis tree, native to North America.

One of five stamen-clusters of the flower of American Linden, with accompanying scale.

American Linden

One of five stamen-clusters of the flower of American Linden, with accompanying scale.

The common names of <I>Amorphophallus riviera</I> are devil's tongue and snake palm. Pictured is the flower stem and a bit of leaf from the plant. The whole flower often measures three feet long.

Amorphophallus Rivieri

The common names of Amorphophallus riviera are devil's tongue and snake palm. Pictured is the flower…

A perennial flower with white petals and green foliage. They tend to bloom in April and May, and are found in the Western Alps.

Ranunculus Amplexicaulis

A perennial flower with white petals and green foliage. They tend to bloom in April and May, and are…

The common names of <I>Anagalis arvensis</I> are common pimpernel and poor man's weatherglass. The flowers are scarlet varying to white. The leaves are opposite or in threes.

Anagalis Arvensis

The common names of Anagalis arvensis are common pimpernel and poor man's weatherglass. The flowers…

An illustration of an anamirta cocculus female flower. Anamirta cocculus is an Southeast Asian and Indian climbing plant. Its fruit, Cocculus indicus, is the source of picrotoxin, a poisonous alkaloid with stimulant properties. The plant is large-stemmed (up to 10cm in diameter); the bark is "corky gray" with white wood. The "small, yellowish-white, sweet-scented" flowers vary between 6 to 10 centimeters across; the fruit produced is a drupe, "about 1 cm in diameter when dry".

Anamirta cocculus Flower (Female)

An illustration of an anamirta cocculus female flower. Anamirta cocculus is an Southeast Asian and Indian…

An illustration of an anamirta cocculus male flower. Anamirta cocculus is an Southeast Asian and Indian climbing plant. Its fruit, Cocculus indicus, is the source of picrotoxin, a poisonous alkaloid with stimulant properties. The plant is large-stemmed (up to 10cm in diameter); the bark is "corky gray" with white wood. The "small, yellowish-white, sweet-scented" flowers vary between 6 to 10 centimeters across; the fruit produced is a drupe, "about 1 cm in diameter when dry".

Anamirta cocculus Flower (Male)

An illustration of an anamirta cocculus male flower. Anamirta cocculus is an Southeast Asian and Indian…

An illustration of an anamirta cocculus branch with flowers. Anamirta cocculus is an Southeast Asian and Indian climbing plant. Its fruit, Cocculus indicus, is the source of picrotoxin, a poisonous alkaloid with stimulant properties. The plant is large-stemmed (up to 10cm in diameter); the bark is "corky gray" with white wood. The "small, yellowish-white, sweet-scented" flowers vary between 6 to 10 centimeters across; the fruit produced is a drupe, "about 1 cm in diameter when dry".

Anamirta cocculus Flowers

An illustration of an anamirta cocculus branch with flowers. Anamirta cocculus is an Southeast Asian…

An illustration of an anamirta cocculus male flower with the sephals removed. Anamirta cocculus is an Southeast Asian and Indian climbing plant. Its fruit, Cocculus indicus, is the source of picrotoxin, a poisonous alkaloid with stimulant properties. The plant is large-stemmed (up to 10cm in diameter); the bark is "corky gray" with white wood. The "small, yellowish-white, sweet-scented" flowers vary between 6 to 10 centimeters across; the fruit produced is a drupe, "about 1 cm in diameter when dry".

Anamirta cocculus Fruit

An illustration of an anamirta cocculus male flower with the sephals removed. Anamirta cocculus is an…

Vertical section of the wild rose, or dog-rose.

Anatomy

Vertical section of the wild rose, or dog-rose.

The dropmore variety of <I>Anchusa italica</i> grows three feet tall. The flowers are purple and grow in loose heads.

Dropmore Variety of Anchusa Italica

The dropmore variety of Anchusa italica grows three feet tall. The flowers are purple and grow in loose…

Plant belonging to the Veronica genus.

Veronica Andersonii

Plant belonging to the Veronica genus.

The image depicts the flower and portion of a leaf of the Pitcairnia andreana. The petals are yellow at the tip with red at the bottom.

Pitcairnia Andreana

The image depicts the flower and portion of a leaf of the Pitcairnia andreana. The petals are yellow…

"A genus of Andromeda polifolia of plants of the natural order Ericaceae, distinguished by a 5-valve naked capsule, which splits up through the back of the cells; anthers with two awns, and a globose corolla with the orifice contracted." &mdash; Chambers' Encyclopedia, 1875

Andromeda

"A genus of Andromeda polifolia of plants of the natural order Ericaceae, distinguished by a 5-valve…

<I>Andromeda polifolia</i> grows up to two feet tall. The flowers nod on small, slender stems. The leaves are oblong and narrow.

Andromeda Polifolia

Andromeda polifolia grows up to two feet tall. The flowers nod on small, slender stems. The leaves are…

"Tubular Androphore and section of flower of Malva Sylvestris."-Whitney, 1902

Androphore

"Tubular Androphore and section of flower of Malva Sylvestris."-Whitney, 1902

"Common Wood-Anemone."-Whitney, 1902

Anemone

"Common Wood-Anemone."-Whitney, 1902

Pictured is the semi-double flowered variety of <I>Anemone coronaria.</I> The common name is poppy-flowered anemone.

Anemone Coronaria

Pictured is the semi-double flowered variety of Anemone coronaria. The common name is poppy-flowered…

The flore-pleno variety of <I>Anemone coronaria</i> is the double flowered variety. The flowers have many colors but scarlet is the most present.

Flore-Pleno Variety of Anemone Coronaria

The flore-pleno variety of Anemone coronaria is the double flowered variety. The flowers have many colors…

<I>Anemone coronaria</I> has tuberous roots. The flowers grow up to one foot tall from the roots

Tubers of Anemone Coronaria

Anemone coronaria has tuberous roots. The flowers grow up to one foot tall from the roots

<I>Anemone fulgens</i> flowers are two inches across and vivid scarlet with a black stamen. Several leaves grow beneath each flower.

Anemone Fulgens

Anemone fulgens flowers are two inches across and vivid scarlet with a black stamen. Several leaves…

The common name of anemone hortensis is broad-leaved garden anemone. The flowers are red, rosy purple, or whitish with brownish violet stamens. The stem is simple, erect, and ten inches high.

Anemone Hortensis

The common name of anemone hortensis is broad-leaved garden anemone. The flowers are red, rosy purple,…

The stem of <I>Anemone japonica</I> is two to three feet tall. The plant is soft and downy, with short hairs. The flowers are rosy purple or purplish red.

Anemone Japonica

The stem of Anemone japonica is two to three feet tall. The plant is soft and downy, with short hairs.…

The common name of <I>Anemone nemorosa</i> is wood anemone. The flowers are one inch across and are white or purplish. The stem is simple, nearly smooth, and three to eight inches tall.

Anemone Nemorosa

The common name of Anemone nemorosa is wood anemone. The flowers are one inch across and are white or…

The common names of the nuttalliana variety of <I>Anemone patens</I> are wild patens and American pasque flower. The flowers appear before the root.

Nuttalliana Variety of Anemone Patens

The common names of the nuttalliana variety of Anemone patens are wild patens and American pasque flower.…

Section of the ovary of Anemone, showing its suspended ovule.

Ovary of Anemone

Section of the ovary of Anemone, showing its suspended ovule.

The popular name given to a number of animals of the subkingdom Coelenterata and class Actinozoa, including the genus Actinia and other genera.

Sea Anemones

The popular name given to a number of animals of the subkingdom Coelenterata and class Actinozoa, including…

The stems of <I>Angraecum superbum</I> are four feet or more tall. The flowers are green and spreading with a white lip. The leaves are up to two feet long.

Angraecum Superbum

The stems of Angraecum superbum are four feet or more tall. The flowers are green and spreading with…

A large plant with whitish-green fronds reaching up to a foot in height.

Polypodium Angustatum

A large plant with whitish-green fronds reaching up to a foot in height.

The Hortulus Animae is one of a series of woodcuts that was created by German Renaissance artist Hans Baldung Grun between 1510 and1511. It depicts a soldier courting a woman by giving her a flower. A woodcut is made by carving a wooden block to the desired design, and then rolling ink over the carved block to print the design on paper.

Hortulus Animae

The Hortulus Animae is one of a series of woodcuts that was created by German Renaissance artist Hans…

"Anona furfuracea. 1. an expanded flower; 2. a vertical section of male and female apparatus, which latter occupies the centre; 3. a vertical section of a carpel; 4. ditto of a ripe seed, showing the ruminated albumen and embryo." -Lindley, 1853

Annona

"Anona furfuracea. 1. an expanded flower; 2. a vertical section of male and female apparatus, which…

The orders of Annonaceae, Myristicaceae, Monimiaceae, and Lauraceae are pictured. The flowers of these orders that are illustrated are (1) asimina, (2) annona, (3) myristica, (4) monimia, (5) cinnamomum, and (6) benzoin.

Annonaceae, Myristicaceae, Monimiaceae, and Lauraceae Orders

The orders of Annonaceae, Myristicaceae, Monimiaceae, and Lauraceae are pictured. The flowers of these…

A commonly cultivated species of flowers with purple flowers native to Europe and Iran.

Xeranthemum Annuum

A commonly cultivated species of flowers with purple flowers native to Europe and Iran.

<I>Anoetochilus regalis</I> flowers are some of the most attractive of the anoetochilus. The leaves are oval, large, and bronze green veined with gold. The surface of the leaves have a velvety texture.

Anoectochilus Regalis

Anoetochilus regalis flowers are some of the most attractive of the anoetochilus. The leaves are oval,…

The common names of <I>Anthemis cotula</I> are may-weed and dog fennel. The weed grows one to two feet high. The plant is ill scented. The flowers are one inch across.

Anthemis Cotula

The common names of Anthemis cotula are may-weed and dog fennel. The weed grows one to two feet high.…

The common name of <I>Anthemis tinctoria</i> is golden marguerite. The plant grows two to three feet tall. The flowers are large, daisy like, and golden yellow.

Anthemis Tinctoria

The common name of Anthemis tinctoria is golden marguerite. The plant grows two to three feet tall.…

The common name of <I>Anthericum liliago</I> is St. Bernard's Lily. The stem is simple and two to three feet high. The flowers are one inch or less across.

Anthericum Liliago

The common name of Anthericum liliago is St. Bernard's Lily. The stem is simple and two to three feet…

The common name of <I>Anthericum liliago</I> is St. Bernard's Lily. Pictured is the stolon of the flower.

Stolon of Anthericum Liliago

The common name of Anthericum liliago is St. Bernard's Lily. Pictured is the stolon of the flower.

"Anthodiscus trifoliatus. 1. a flower bud; 2. a flower; 3. a perpendicular section of the pistil." -Lindley, 1853

Anthodiscus

"Anthodiscus trifoliatus. 1. a flower bud; 2. a flower; 3. a perpendicular section of the pistil." -Lindley,…

The leaf blades of </I>Anthurium andraeanum</I> are drooping. The flower spike is three to four inches long and yellowish with a white band.

Anthurium Andraeanum

The leaf blades of Anthurium andraeanum are drooping. The flower spike is three to four inches long…

<I>Anthurium scherzerianum</I> grows one or two feet high. The flowers are slender, curled, and yellow.

Anthurium Scherzerianum

Anthurium scherzerianum grows one or two feet high. The flowers are slender, curled, and yellow.

The albus variety of <I>Antigonon Leptopus</I> has flowers that are nearly or quite white. Pictured is a plant grown under glass.

Albus Variety of Antigonon Leptopus

The albus variety of Antigonon Leptopus has flowers that are nearly or quite white. Pictured is a plant…

The common name of <I>Antirrhinum majus</I> is common or large snapdragon. The flowers are large and come in many colors ranging from red to purple to white. Pictured is a young spike of a dwarf form.

Antirrhinum Majus

The common name of Antirrhinum majus is common or large snapdragon. The flowers are large and come in…

The flowers of <I>Antirrhinum maurandioides</I> are one inch or more long. The flowers are violet or purple. Pictured is the plant in bud.

Antirrhinum Maurandioides

The flowers of Antirrhinum maurandioides are one inch or more long. The flowers are violet or purple.…