394 illustrations of flowers and shrubs including: acacia, acanthus, adder's tongue, agave, alfalfa, alisma, allspice, aloe, anacharis, aristolochia, arnica, arrowhead, arrowroot, artichoke, asparagus, aster, azalea, and azolla

Flowering branch of the Carolina Allspice.

Carolina Allspice

Flowering branch of the Carolina Allspice.

A ripe fruit of hip of the Carolina Allspice.

Carolina Allspice

A ripe fruit of hip of the Carolina Allspice.

Whitebeam which is native to several parts of eastern Asia.

Sorbus Alnifolia

Whitebeam which is native to several parts of eastern Asia.

Evergreen shrub bearing varying clusters of flowers.

Viburnum Alnifolium

Evergreen shrub bearing varying clusters of flowers.

"Aloe Vulgaris, with flower entire and cut longitudinally."-Whitney, 1902

Aloe

"Aloe Vulgaris, with flower entire and cut longitudinally."-Whitney, 1902

"A drug of great antiquity, for we find Dioscorides make mention of aloe as a substance obtained from a plant, and possessing cathartic properties." — Chambers' Encyclopedia, 1875

Aloe

"A drug of great antiquity, for we find Dioscorides make mention of aloe as a substance obtained from…

A plant that varies in size but always has thick fleshy leaves that are spined. It also contains a juice that is used for medicinal purposes.

Aloe

A plant that varies in size but always has thick fleshy leaves that are spined. It also contains a juice…

The aloe plant is native to Africa and used for its healing properties.

Aloe

The aloe plant is native to Africa and used for its healing properties.

The flower of the aloe vera shrub is yellow and has a cylindrical shape. The grouping of flowers is dense and six to twelve inches long. The stem rising from the ground is strong and two to three feet long. The leaves are pale green with prickles along the edge.

Aloe Vera Flower

The flower of the aloe vera shrub is yellow and has a cylindrical shape. The grouping of flowers is…

A member of the primulaceae which is a native plant to Pyrenees.

Soldanella Alpina

A member of the primulaceae which is a native plant to Pyrenees.

The flowers of alpinia nutans are pink and smell sweet like ginger. The leaves are narrow and taper toward the base of the plant.

Alpinia Nutans and the Individual Flower

The flowers of alpinia nutans are pink and smell sweet like ginger. The leaves are narrow and taper…

Alpinia vittata, meaning striped alpinia, has broad stripes of dark green and creamy white on the pale green leaves. The leaves are six to eight inches long.

Alpinia Vittata

Alpinia vittata, meaning striped alpinia, has broad stripes of dark green and creamy white on the pale…

Alsike (Trifolium hybridum).

Alsike

Alsike (Trifolium hybridum).

The alströmeria aurantiaca flower is orange streaked with red. The flowers are arranged in groups of five to six on the stalk and have ten to fifteen blossoms.

Alströmeria Aurantiaca Habit and Flower

The alströmeria aurantiaca flower is orange streaked with red. The flowers are arranged in groups…

The alströmeria pelegrina flower is white or pale yellow with a rose stripe and yellow spot on each segment. Each small stalk has one flower and each large stalk has six or more small stalks.

Flower of Alströmeria Pelegrina

The alströmeria pelegrina flower is white or pale yellow with a rose stripe and yellow spot on…

The alströmeria versicolor flower is yellow with purple marks. The lowest segment of the flower is the broadest. There are usually three blooms on short stalks.

Alströmeria Versicolor Habit and Flower

The alströmeria versicolor flower is yellow with purple marks. The lowest segment of the flower…

Flowers in stalked head-like spikes; leaves over 3.5cm long.

Alternanthera

Flowers in stalked head-like spikes; leaves over 3.5cm long.

The althea officinalis flower is known as the Common Marsh Mallow. The flower has a delicate blush color.

Althea Officinalis Flower and Buds

The althea officinalis flower is known as the Common Marsh Mallow. The flower has a delicate blush color.

Alyssum Saxatile, commonly known as Rock Madwort, has yellow flowers in close, convex clusters. The leaves are narrow and covered with soft hairs.

Alyssum Saxatile Flowers

Alyssum Saxatile, commonly known as Rock Madwort, has yellow flowers in close, convex clusters. The…

The alyssum saxatile variegatum variety of Madwort is one of the most handsome varieties. It grows well on rockery and requires a sunny, well drained position.

Alyssum Saxatile Variegatum Habit and Flower

The alyssum saxatile variegatum variety of Madwort is one of the most handsome varieties. It grows well…

A tropical plant on South America.

Quassia Amara

A tropical plant on South America.

"A genus of plants of the natural order Amaranthaceae. This order contains nearly 300 known species, natives of tropical and temperate countries, but chiefly abounding within the tropics. They are herbs or shrubs, with simple exstipulate leaves, and flowers in heads or spikes." — Chambers' Encyclopedia, 1875

Amaranth

"A genus of plants of the natural order Amaranthaceae. This order contains nearly 300 known species,…

Utricle (pyxis) of Amaranth, opening all around (circumscissile).

Amaranth

Utricle (pyxis) of Amaranth, opening all around (circumscissile).

Of the amaranth family (Amarantaceae): left, pigweed (Amarantus retroflexus); right, Tumble Weed (Amarantus graecizans).

Pigweed and Tumble Weed

Of the amaranth family (Amarantaceae): left, pigweed (Amarantus retroflexus); right, Tumble Weed (Amarantus…

Amaranthus Caudatus is commonly known as Love Lies Bleeding. The flower is a dark purplish color which hang in drooping spikes. There is another variety which has a yellowish flower.

Flower Spike of Amaranthus Caudatus

Amaranthus Caudatus is commonly known as Love Lies Bleeding. The flower is a dark purplish color which…

The Amaranthus Hypochondriacus is commonly known as Prince's Feather. The flowers are deep crimson and are on densely compacted spikes. The underside of the leaves are purplish in color.

Amaranthus Hypochondriacus

The Amaranthus Hypochondriacus is commonly known as Prince's Feather. The flowers are deep crimson and…

Amaranthus tricolor is a purplish red color from the base to the middle of the leaf. The upper end of the leaf has a large spot of bright yellow.

Amaranthus Tricolor

Amaranthus tricolor is a purplish red color from the base to the middle of the leaf. The upper end of…

Amaryllis Belladona is commonly known as the Belladona Lily. The flowering season is during autumn.

Amaryllis Belladona Habit at Flowering Season

Amaryllis Belladona is commonly known as the Belladona Lily. The flowering season is during autumn.

Amaryllis Belladona, or the Belladona Lily, does not produce the leaves and flowers together. The colors of the flower ranges from almost white to a reddish or purplish color.

Amaryllis Belladona Blub and Flower Spike

Amaryllis Belladona, or the Belladona Lily, does not produce the leaves and flowers together. The colors…

Of the amaryllis family (Amaryllidaceae), the Atamasco lily or Zephyranthes Atamasco.

Atamasco Amaryllis

Of the amaryllis family (Amaryllidaceae), the Atamasco lily or Zephyranthes Atamasco.

Of the amaryllis family (Amaryllidaceae), star grass or Hypoxis hirsuta.

Star Grass

Of the amaryllis family (Amaryllidaceae), star grass or Hypoxis hirsuta.

Amazon lily is the common name of the eucharis plant. Pictured is the leaf of E. grandiflora and the flowers of (a) E. subedentat, (b) E. sanderi, (c) E. grandiflora, and (d) E. candida.

Amazon Lily

Amazon lily is the common name of the eucharis plant. Pictured is the leaf of E. grandiflora and the…

Stiff plants with large, thick leaves. It is said to have medicinal purposes for burned or damaged skin.

American Aloe

Stiff plants with large, thick leaves. It is said to have medicinal purposes for burned or damaged skin.

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.

A perennial tree native to eastern America.

Sorbus Americana

A perennial tree native to eastern America.

A species of legumes, vetch.

Vicia Americana

A species of legumes, vetch.

Flowers not showy, in axils of leaves, mostly purple.

Ammannia

Flowers not showy, in axils of leaves, mostly purple.

The flower heads of ammobium alatum are a silvery white color with yellow disk florets. This variety of ammobium got the name "alatum", which means winged, because of it's winged stems.

Inflorescence of Ammobium Alatum

The flower heads of ammobium alatum are a silvery white color with yellow disk florets. This variety…

Shrub belonging to the Alternanthera genus.

Telanthera Amoena

Shrub belonging to the Alternanthera genus.

Amole has a cluster of thick spiny-margined leaves, from which arises a stem an inch or two in diameter, bearing at the top a showy pancle of creamy white flowers.

Amole (agave parryi)

Amole has a cluster of thick spiny-margined leaves, from which arises a stem an inch or two in diameter,…

Amorphophallus Rivieri has a leafless, deep green speckled with red stalk that reaches three feet in height, or more. The flower has a thick spike that is a rosy green color.

Foliage and Inflorescence of Amorphophallus Rivieri

Amorphophallus Rivieri has a leafless, deep green speckled with red stalk that reaches three feet in…

The branches of Ampelopsis Aconitifolia are long and reddish brown. The leaves are divided up to the midrib.

Stem and Leaves of Ampelopsis Aconitifolia

The branches of Ampelopsis Aconitifolia are long and reddish brown. The leaves are divided up to the…

The ampelopsis napiformis is a greenish shrub. The tubers look like turnips.

Tubers and Leaves of Ampelopsis Napiformis

The ampelopsis napiformis is a greenish shrub. The tubers look like turnips.

The roots of ampelopsis serjaniaefolia look like tubers. This variety of ampelopsis grows in Japan.

Roots of Ampelopsis Serjaniaefolia

The roots of ampelopsis serjaniaefolia look like tubers. This variety of ampelopsis grows in Japan.

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 flowers of amsonia salicifolia grow at the end of each stem in clusters. The flowers are a light blue color.

Habit and Flower of Amsonia Salicifolia

The flowers of amsonia salicifolia grow at the end of each stem in clusters. The flowers are a light…

The amygadalus communis is commonly known as the common almond. The flowers are white or rose colored.

Flowering Branch of Amygdalus Communis

The amygadalus communis is commonly known as the common almond. The flowers are white or rose colored.

Leaves usually three in whorls (sometimes four); flowers minute and inconspicuous

Anacharis

Leaves usually three in whorls (sometimes four); flowers minute and inconspicuous

"A genus of plants of the natural order Hydrocharideae, of which a species A. Canadensis has recently become naturalised in Britain, suddenly appearing in so great abundance as to impede the navigation of some rivers and canals." — Chambers' Encyclopedia, 1875

Anacharis

"A genus of plants of the natural order Hydrocharideae, of which a species A. Canadensis has recently…

The anagallis flower is commonly known as pimpernel. The linifolia variety has a large, brilliant blue flower.

Habit and Flowers of Anagallis Linifolia

The anagallis flower is commonly known as pimpernel. The linifolia variety has a large, brilliant blue…

Diagram of analogous scorpioid cyme, with alternate leaves or bracts.

Analogous Scorpioid Cyme

Diagram of analogous scorpioid cyme, with alternate leaves or bracts.

An illustration of an anamirta cocculus leaf. 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

An illustration of an anamirta cocculus leaf. Anamirta cocculus is an Southeast Asian and Indian climbing…

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 fruit. 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 fruit. Anamirta cocculus is an Southeast Asian and Indian climbing…

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…

Anastatica Hierochuntina is commonly known as Rose of Jericho. The fruit has a protuberant pod the bears fruit on the outer side of the end.

Dry Fruiting Plant of Anastatica Hierochuntina

Anastatica Hierochuntina is commonly known as Rose of Jericho. The fruit has a protuberant pod the bears…

Anastatica Hierochuntina is commonly known as Rose of Jericho. The flowers are small and white. The branches crowd in a globe shape.

Anastatic Hierochuntina Flower

Anastatica Hierochuntina is commonly known as Rose of Jericho. The flowers are small and white. The…

Pictured is the anatropous ovule of actaea spicata in section. Only one coat exists on it.

Anatropous Ovule of Actaea Spicata

Pictured is the anatropous ovule of actaea spicata in section. Only one coat exists on it.