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

An illustration of a Gynaeceum of a asteraceae. The family Asteraceae or Compositae (known as the aster, daisy, or sunflower family) is the largest family of flowering plants, in terms of number of species.

Gynaeceum of Asteraceae

An illustration of a Gynaeceum of a asteraceae. The family Asteraceae or Compositae (known as the aster,…

An illustration of a inflorescence of a asteraceae. The family Asteraceae or Compositae (known as the aster, daisy, or sunflower family) is the largest family of flowering plants, in terms of number of species.

Inflorescence of Asteraceae

An illustration of a inflorescence of a asteraceae. The family Asteraceae or Compositae (known as the…

"7. Asterostemma repandum; 8. its coronet; 9. its pollen masses." -Lindley, 1853

Asterostemma

"7. Asterostemma repandum; 8. its coronet; 9. its pollen masses." -Lindley, 1853

Astilbe japonica flowers a small and pure white. This variety of astilbe grows in Japan.

Astilbe Japonica

Astilbe japonica flowers a small and pure white. This variety of astilbe grows in Japan.

Astilbe Rivularis flowers are either yellowish-white or reddish in color. This flower grows to be three feet high. This flower grows in Nepal.

Astilbe Rivularis

Astilbe Rivularis flowers are either yellowish-white or reddish in color. This flower grows to be three…

"A genus of plans of the natural order Leguminosae, sub-order Papilionaceae. The pod is more or less perfectly 2-celled. The leaves are pinnate, with a terminal leaflet. the species are numerous, natives chiefly of the temperate and colder parts of the Old World, shrubby, and often spiny, or unarmed and herbaceous." — Chambers' Encyclopedia, 1875

Astragalus

"A genus of plans of the natural order Leguminosae, sub-order Papilionaceae. The pod is more or less…

The flowers on the astragalus monspessulans shrub are usually purplish. This species grows in south Europe.

Astragalus Monspessulanus Habit and Flower

The flowers on the astragalus monspessulans shrub are usually purplish. This species grows in south…

The ovary of astragalus is composed of several united carpels. Each carpel is divided into two cavities.

Cross Section of Nearly Ripe Pod of Astragalus

The ovary of astragalus is composed of several united carpels. Each carpel is divided into two cavities.

"Athamanta cervariaefolia. 1. a separate flower, with hairy petals; 2. a petal by itself; 3. a ripe fruit with the two carpels or mericarps separating from the double carpopod or axis; 4. a seed deprived of its integuments, and divided vertically, so as to show the position of the embryo." -Lindley, 1853

Athamantha

"Athamanta cervariaefolia. 1. a separate flower, with hairy petals; 2. a petal by itself; 3. a ripe…

The flowers of the atragene alpina shrub are blue, sometimes white. There are ten to twelve petals per flower. This shrub grows in the mountainous regions of Europe.

Atragene Alpina

The flowers of the atragene alpina shrub are blue, sometimes white. There are ten to twelve petals per…

Atropa belladona is commonly known as belladona or dwale. The flower is green and purple. The plant has berries that are the size of small cherries.

Atropa Belladona Flower

Atropa belladona is commonly known as belladona or dwale. The flower is green and purple. The plant…

The flowers of aubrietia deltoidea are purple. There are several garden varieties, most of which are considered distinct species.

Aubrietia Deltoidea

The flowers of aubrietia deltoidea are purple. There are several garden varieties, most of which are…

Aubrietia purpurea is a distinct species of aubrietia deltoidea. Purpurea has large, purple flowers. The stems of the flower are very leafy.

Aubrietia Purpurea

Aubrietia purpurea is a distinct species of aubrietia deltoidea. Purpurea has large, purple flowers.…

A tree with orange and red berries.

Sorbus Aucuparia

A tree with orange and red berries.

A true lily that is native to Japan. The flower color is white with gold radial markings and orange spots. They are the largest and strongest-scented of any of the lily species.

Lilium Auratum

A true lily that is native to Japan. The flower color is white with gold radial markings and orange…

"A plant of the same genus with the Primrose, much cultivated in flower-gardens. The Auricula has long been a florist's flower. It was highly esteemed by the Romans, and has, at least since the beginning of the 18th century, received particular attention from the florists of England and Holland." — Chambers' Encyclopedia, 1875

Auricula

"A plant of the same genus with the Primrose, much cultivated in flower-gardens. The Auricula has long…

"Axillary.--Placed in the axilla (arm-pit). A term by which the angle formed by the union of the leaf and the stem is designated." -Newman, 1850

Axillary

"Axillary.--Placed in the axilla (arm-pit). A term by which the angle formed by the union of the leaf…

Spikelets arranged along rachis with back of fruit away from rachis; rachis 3-sided.

Axonopus

Spikelets arranged along rachis with back of fruit away from rachis; rachis 3-sided.

The Ayapana (Ayapana triplinervis) is a flowering shrub in the Asteraceae family of daisies.

Ayapana

The Ayapana (Ayapana triplinervis) is a flowering shrub in the Asteraceae family of daisies.

The Azalea is a genus of plants that belongs to the health family. There are 100 species that have wonderful, fragrant flowers.

Azalea

The Azalea is a genus of plants that belongs to the health family. There are 100 species that have wonderful,…

"A flowering plant belonging to the Heath family, closely related to the rhododendron."

Azalea

"A flowering plant belonging to the Heath family, closely related to the rhododendron."

The flowers of azalea balsaminaeflora are a bright, salmony red. The flowers resemble rosettes and also look like Camellia-flowered Balsam. This species grows in Japan.

Azalea Balsaminaeflora

The flowers of azalea balsaminaeflora are a bright, salmony red. The flowers resemble rosettes and also…

Azalea indica comes in either a single flowered or double flowered variety. This flower blooms continuously from November to June. This flower is commonly known as the Indian Azalea.

Flower of Azalea Indica

Azalea indica comes in either a single flowered or double flowered variety. This flower blooms continuously…

The flowers of azalea ledifolia are white. The flowers grow in threes at the ends of the branches. The whole shrub is very hairy.

Azalea Ledifolia

The flowers of azalea ledifolia are white. The flowers grow in threes at the ends of the branches. The…

Of the Heath family (Ericaceae), the flame azalea (Rhododendron calendulaceum).

Flame Azalea

Of the Heath family (Ericaceae), the flame azalea (Rhododendron calendulaceum).

A plant with the flowers having the style and stamens much exserted and are quite variable in color. Ranging from pink, purple, and sometimes yellow.

Purple Azalea

A plant with the flowers having the style and stamens much exserted and are quite variable in color.…

Azara is a showy, evergreen shrub with fragrant flowers. The azara microphylla has greenish flowers and numerous small, orange berries.

Habit and Foliage of Azara Microphylla

Azara is a showy, evergreen shrub with fragrant flowers. The azara microphylla has greenish flowers…

Small plant of Azolla Caroliniana.

Azolla Caroliniana

Small plant of Azolla Caroliniana.

Small plant of Azolla Caroliniana, showing two kinds of sporocarp; the small ones contain microspores.

Azolla Caroliniana

Small plant of Azolla Caroliniana, showing two kinds of sporocarp; the small ones contain microspores.

Small plant of Azolla Caroliniana, showing a sporocarp; the small ones contain microspores.

Azolla Caroliniana

Small plant of Azolla Caroliniana, showing a sporocarp; the small ones contain microspores.

A larger sporocarp of the Azolla Caroliniana, more magnified.

Azolla Caroliniana

A larger sporocarp of the Azolla Caroliniana, more magnified.

A larger sporocarp of the Azolla Caroliniana, more magnified and burst open, showing stalked spore-cases.

Azolla Caroliniana

A larger sporocarp of the Azolla Caroliniana, more magnified and burst open, showing stalked spore-cases.

Two sporoscopes of the Azolla Caroliniana; one of them bursting shows four contained macrospores between the two, three of these spores highly magnified.

Azolla Caroliniana

Two sporoscopes of the Azolla Caroliniana; one of them bursting shows four contained macrospores between…

Of the saxifrage family (Saxifragaceae), the leaf of the alumroot or Heuchera americana.

Alumroot Leaf

Of the saxifrage family (Saxifragaceae), the leaf of the alumroot or Heuchera americana.