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Abronia Umbellata are mostly native to California and are recognized by their showy blossoms in dense clusters that are similar to verbena.

Flowers of the Abronia Umbellata Plant

Abronia Umbellata are mostly native to California and are recognized by their showy blossoms in dense…

Abronia Umbellata grow well in light, sandy soil in a fully exposed position. The limbs of the flower like to spread out. Abronia can be sowed in the autumn and planted in the spring.

Habitat of the Abronia Umbellata Plant

Abronia Umbellata grow well in light, sandy soil in a fully exposed position. The limbs of the flower…

"Abutilon macropodum. 1. an unexpanded flower; 2. the stamens and styles; 3. a ripe fruit, consisting of many carpels, whose upper extremities are free and radiant." -Lindley, 1853

Abutilon

"Abutilon macropodum. 1. an unexpanded flower; 2. the stamens and styles; 3. a ripe fruit, consisting…

This wildflower is common in the high artic and mountains of Eurasia.

Silene Acaulis

This wildflower is common in the high artic and mountains of Eurasia.

"Bixa orellana. 1. a pistil and two stamens; 2. a cross section of the ovary; 3. a ripe fruit. 4. a cross section of a seed." -Lindley, 1853

Achiote

"Bixa orellana. 1. a pistil and two stamens; 2. a cross section of the ovary; 3. a ripe fruit. 4. a…

"Acicarpha spathulata. 1. section of an entire flower; 2. perpendicular section of ripe fruit." -Lindley, 1853

Acicarpha

"Acicarpha spathulata. 1. section of an entire flower; 2. perpendicular section of ripe fruit." -Lindley,…

"a poisonous plant, monk's-hood, wolf's-bane."-Whitney, 1902

Aconite

"a poisonous plant, monk's-hood, wolf's-bane."-Whitney, 1902

The Winter Aconite (Eranthis hyemalis) is a European plant in the Ranunculaceae family of buttercups.

Winter Aconite

The Winter Aconite (Eranthis hyemalis) is a European plant in the Ranunculaceae family of buttercups.

A plant which produces numerous flowers with oblong white petals. The leaves and stems are slightly hairy. They are commonly found in central and southern Europe.

Ranunculus Aconitifolius

A plant which produces numerous flowers with oblong white petals. The leaves and stems are slightly…

"Red Baneberry, showing flowering plant and fruiting raceme."-Whitney, 1902

Actaea

"Red Baneberry, showing flowering plant and fruiting raceme."-Whitney, 1902

The ada aurantiaca is an orchid that is an orange-scarlet color. Each flower is streaked with black on the inside. There are six to ten blossoms on each long, hanging stem.

Ada Aurantiaca Orchid

The ada aurantiaca is an orchid that is an orange-scarlet color. Each flower is streaked with black…

Lphioglossum (adder's-tongue) is a genus of about 25-30 species of Ophioglossales in the family Ophioglossaceae, with a cosmopolitan but primarily tropical and subtropical distribution. The name Ophioglossum comes from the Greek, and means "snake-tongue". Adders-tongues are so-called because the spore-bearing stalk is thought to resemble a snake's tongue. Each plant typically sends up a small, undivided leaf blade with netted venation, and the spore stalk forks from the leaf stalk, terminating in sporangia which are partially concealed within a structure with slitted sides.

Adderstongue

Lphioglossum (adder's-tongue) is a genus of about 25-30 species of Ophioglossales in the family Ophioglossaceae,…

Each adonis aestivalis flower has five to fifteen petals. This variety can reach one foot in height. This is an annual variety of pheasant's eye.

Habit and Flower of Adonis Aestivalis

Each adonis aestivalis flower has five to fifteen petals. This variety can reach one foot in height.…

"Æsculus Hippocastanum (a, flower; b, seed; c, seed cut longitudinally."-Whitney, 1902

Aesculus

"Æsculus Hippocastanum (a, flower; b, seed; c, seed cut longitudinally."-Whitney, 1902

African marigold is the common name of tagetes erecta. These marigolds are employed for summer bedding. African marigolds are lemon or orange colored.

African Marigold

African marigold is the common name of tagetes erecta. These marigolds are employed for summer bedding.…

The flower of the agave densiflora is a yellowish red color and about two inches long. Thirty to forty leaves make up a stemless rosette at the base of the plant. The leaves are bright green when mature.

Agave Densiflora Flower

The flower of the agave densiflora is a yellowish red color and about two inches long. Thirty to forty…

Littaea geminiflora, or the Twin-Flowered Agave, showing the flower and the whole plant.

Twin-Flowered Agave

Littaea geminiflora, or the Twin-Flowered Agave, showing the flower and the whole plant.

"Agrimony (Agrimonia Eupatoria) showing branch, flowering spray, and fruit."-Whitney, 1902

Agrimensor

"Agrimony (Agrimonia Eupatoria) showing branch, flowering spray, and fruit."-Whitney, 1902

Akene of Anemone, enlarged,(Gray, 1858).

Anemone Akene

Akene of Anemone, enlarged,(Gray, 1858).

Akene of Anemone, enlarged, cut in half to show the seed in it, (Gray, 1858).

Anemone Akene

Akene of Anemone, enlarged, cut in half to show the seed in it, (Gray, 1858).

Akene of Clematis and feathery tail, (Gray, 1858).

Clematis Akene

Akene of Clematis and feathery tail, (Gray, 1858).

A popular fern with variagated fronds that are straw-colored. It thrives on acidic soil.

Pteris Cretica Albolineata

A popular fern with variagated fronds that are straw-colored. It thrives on acidic soil.

Blossom of an alfalfa plant, one of the oldest types of hay currently grown.

Alfalfa blossoms

Blossom of an alfalfa plant, one of the oldest types of hay currently grown.

"Allaria officinalis. a, upper part of stem, with leaves and flowers; b, extremity of a branch, in fruit." — Chambers' Encyclopedia, 1875

Allaria Officinalis

"Allaria officinalis. a, upper part of stem, with leaves and flowers; b, extremity of a branch, in fruit."…

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.

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…

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…

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." — Chambers' Encyclopedia, 1875

Andromeda

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

"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

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…

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…

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.

"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,…

Aphelandra cristata is a flowering plant shown potted here because it is often used as a houseplant.

Aphelandra

Aphelandra cristata is a flowering plant shown potted here because it is often used as a houseplant.

An apple blossom, just right to spray for coddling moth.

Apple blossom

An apple blossom, just right to spray for coddling moth.

"Aptandra Spruceana. 1. an expanded flower; 2. a petal; 3. tube of stamens, with 4 petaloid glands at the base; 4. pistil; 5. section of ovary." -Lindley, 1853

Aptandra

"Aptandra Spruceana. 1. an expanded flower; 2. a petal; 3. tube of stamens, with 4 petaloid glands at…

"An aquarium well filled and stocked with plants, fish, etc., is one of the finest ornaments one can have in the room."—Heinrich, 1887

The Aquarium

"An aquarium well filled and stocked with plants, fish, etc., is one of the finest ornaments one can…

"Aquilaria Agallochum. 1. a flower; 2. the same split open; 3. a section of the ovary." -Lindley, 1853

Aquilaria

"Aquilaria Agallochum. 1. a flower; 2. the same split open; 3. a section of the ovary." -Lindley, 1853

"Inflorescence of Aquilegia vulgaris (garden columbine). a, flower; b, same, cut vertically; c, pistils."-Whitney, 1902

Aquilegia

"Inflorescence of Aquilegia vulgaris (garden columbine). a, flower; b, same, cut vertically; c, pistils."-Whitney,…

An evergreen shrub with bright red flowers. It usually reaches between 20 and 25 feet, and is commonly found in Thailand, Nepal, and India.

Rhododendron Arboreum

An evergreen shrub with bright red flowers. It usually reaches between 20 and 25 feet, and is commonly…

"1. Aretia Vitaliana; 2. a flower cut open; 3. the pistil; 4. a vertical section of the latter, showing the free central placenta; 5. a section of a seed." -Lindley, 1853

Aretia

"1. Aretia Vitaliana; 2. a flower cut open; 3. the pistil; 4. a vertical section of the latter, showing…

The arisaema triphylla flower has four to six inch long spathes. The spathes are striped with lines of purplish-brown

Arisaema Triphylla Flower

The arisaema triphylla flower has four to six inch long spathes. The spathes are striped with lines…

A yellow flower with small pink florets. They are generally around 1 foot in height.

Podolepis Aristata

A yellow flower with small pink florets. They are generally around 1 foot in height.

This plant belongs to caryophyllaceae.

Silene Armeria

This plant belongs to caryophyllaceae.

A flower that is used for medicinal purposes, mostly for treatment of bruises.

Arnica

A flower that is used for medicinal purposes, mostly for treatment of bruises.

"A genus of plants belonging to the natural order compositae, sub-order Corymbiferae. The flowers of the ray are female and ligulate, those of the disk hermaphrodite and tubular. The receptacle is naked; the pappus hairy. The root, leaves, and flowers of the Mountain Tobacco are much valued in medicine, and administers in various forms as a stimulant in paralytic affections, typhoid fevers, and other diseases." — Chambers' Encyclopedia, 1875

Arnica Montana

"A genus of plants belonging to the natural order compositae, sub-order Corymbiferae. The flowers of…

The common name of arnica montana is Mountain Tobacco. The flower heads are yellow with three or four growing together.

Habit and Flower-Head of Arnica Montana

The common name of arnica montana is Mountain Tobacco. The flower heads are yellow with three or four…

"Arnotto-extremely common in Jamaica and other parts of the West Indies, and has been introduced into tropical regions of the old world."-Whitney, 1902

Arnotto

"Arnotto-extremely common in Jamaica and other parts of the West Indies, and has been introduced into…

"A plant of the natural order Umbelliefrae, a native of the elevated table-lands in the neighborhood of Santa Fe de Bogota and Caracas, and of regions of similar climate in other parts of Tropical America. It is much cultivated in its native country for its roots, which are used as an esculent. The root divides into a number of parts, which resemble cows' horns or large carrots. When boiled, they are firm and tender, with a flavor not so strong as that of a parsnip." — Chambers' Encyclopedia, 1875

Arracacha

"A plant of the natural order Umbelliefrae, a native of the elevated table-lands in the neighborhood…

"Arrow-root (M. arundinacea). a, tubers; b, leaf and flowers; c, stamen and style." — Chambers' Encyclopedia, 1875

Arrow-root

"Arrow-root (M. arundinacea). a, tubers; b, leaf and flowers; c, stamen and style." — Chambers'…