574 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
"Inflorescence of Aquilegia vulgaris (garden columbine). a, flower; b, same, cut vertically; c, pistils."-Whitney,…
The stem of Aquilegia alpina is nearly one foot tall. The plant has two to five flowers. The flowers…
Aquilegia is known as Columbine. The caerulea variety has several blue and white flowers on each stem.…
The flowers of aquilegia canadensis are red mixed with yellow. The flowers are less than one inch in…
The common name of aquilegia canadensis is common columbine. The plant grows one to two feet tall. There…
Pictured are radical leaves of aquilegia canadensis, common name common columbine. The leaves are one…
Aquilegia chrysantha grows between three and four feet tall. There are many flowers on the plant. The…
The sepals, or outer part of the aquilegia glandulosa flower, are a bright lilac blue. The petals are…
Aquilegia glandulosa is one to three flowered. The flowers are large and nodding. The flowers are lilac-blue…
The Aquilegia longissima plant is tall and covered in silky hairs. The flowers are pale yellow. The…
The flowers of aquilegia olympica are large and mauve blue. The petals are white and are much shorter…
The aquilegia sibirica flower is bright lilac with very blunt sepals. The limb of the petals are sometimes…
The common name of arabis is rock-cress. The albida variety is only a few inches tall. The plant is…
Arabis is commonly known as Wall Cress and Rock Cress. The alpina variety has white flowers. It grows…
The flowers of arabis arenosa, also known as wall cress and rock cress, are rose colored. They grow…
"Cuckoo-pint, or Wake-robin (Arum maculatum). a, spadix; b, stamens or male flowers; c, ovaries; d,…
Pictured from the araceae order are (1) arisaema, spathe and spadix, and (2) arum spadix with male and…
"A genus of plants of the natural order Leguminosae, sub-order Papilionaceae, natives of the warm parts…
Arachis is commonly know as Ground or Earth Nut. Arachis Hypogaea is known as Monkey Nut. The flowers…
The aralia chinensis flower is white. The leaves have a leathery texture. This plant grows between five…
The leaves of aralia veitchii are glossy green on top and dark red on the bottom. The leaves have about…
Pictured are flowers of the orders araliaceae and umbelliferae. The flowers of these orders that are…
"Araucaria imbricata: End of a branch, much reduced, showing the mode of ramification, and the manner…
"Araucaria imbricata: Sketched in the Botanic Gardens, Edinburgh." — Chambers' Encyclopedia, 1875
"A genus of plants of the natural order Coniferae, allied to the cypress, and consisting of evergreen…
An evergreen shrub with bright red flowers. It usually reaches between 20 and 25 feet, and is commonly…
The Trailing Arbutus (Epigaea repens) is a spreading shrub in Ericaceae family of heaths.
The Arctostaphylos manzanita shrub grows thirty feet tall. The fruit is between one quarter and one…
Arctotis grandis forms a bushy clump between two and two and a half feet tall. The flowers are white…
Ardisia crenulata has oblong, wavy margined leaves. The fruit droops is clusters. The flowers are sweet…
Aregelia spectabilis has leaves that are ten to fifteen inches long. The flowers are milky, pale blue.
Arenaria grandiflora grows ten inches or less high. The flowers are large and grow solitary or in twos…
Arethusa bulbosa is a pretty orchid that grows between eight and ten inches tall. The flowers is a bright,…
Argemone grandiflora grows one to three feet tall and has very few prickles. Three to six flowers grow…
The argemone grandiflora has large, white flowers. The tips of the stamens are yellow. It does not flower…
The common name of Argemone mexicana is prickly poppy. The plant grow one to two feet tall. The flowers…
A four-eared fern with fronds ranging between 6 inches and 3 feet in length. They are commonly found…
The Ariocarpus lloydii plant has a rounded top that is four inches or more in diameter. The flowers…
The arisaema triphylla flower has four to six inch long spathes. The spathes are striped with lines…
The common names of Arisaema triphyllum are Jack-in-the-pulpit and Indian turnip. There are usually…
A yellow flower with small pink florets. They are generally around 1 foot in height.
"A genus of plants of the natural order Aristolochiaceae. This order, which is dicotyledonous or exogenous,…
"A genus of plants of the natural order Aristolochiaceae. This order, which is dicotyledonous or exogenous,…
The common names of Aristolochia grandiflora are pelican flower, goose flower, swan flower, and duck…
The leaves of Aristolochia grandiflora are heart shaped. The leaves taper to a point. The common names…
The common names of Aristolochia macrophylla are dutchman's pipe and pipe vine. The flowers are u-shaped…
Pictured is the longitudinal section of Aristolochia macrophylla. Shown is the ovary and the short column…
The Aristolochia shrub is commonly known as Birthwort. The sipho variety has yellowish-brown flowers.…
Shown are the Aristolochiaceae, Polygonaceae, Chenopodiaceae, and Amarantaceae orders. Also illustrated…
The common name of Armeria vulgarism is common thrift. The flowers are white, pink, or red. The leaves…
"A genus of plants belonging to the natural order compositae, sub-order Corymbiferae. The flowers of…