The hymenophyllaceae order consists of very delicate ferns. The cyatheaceae order usually consists of…
Cycadaceae is an order with more or less woody plants. The stems are thick, unbranched, columnar, or…
The leaves of abutilon thompsonii are variegated with yellow. It is a variety of abutilon striatum.
Pictured are leaves of various varieties of acacia. These varieties include (1) longifolia, (2) pravissima,…
Silver wattle is the common name of acacia decurrens variation dealbata. The tree is fifty or more feet…
Red-Hot Cat-Tail is the common name of acalypha hispida. This shrub is cultivated for its long red spikes…
Acalypha wilkesiana variation macafeana has red leaves marked with crimson and bronze. It is said to…
Acanthopanax ricinifolium variation maximowiczii has leaves that are deeply 5-7 lobed. The lobes are…
The trunk of the acanthophoenix crinita tree is fifty to sixty feet tall. The leaves are seven to thirteen…
Pictured is an acanthus decoration of an architectural column. Supposedly the acanthus leaves afforded…
Acanthus spinosissimus leaves are dark green. The leaves are arranged on a common stalk.
Acer miyabei is a variety of maple. The tree grows up to forty feet tall and the branches are corky.…
Pictured is an upright tip shoot of Norway maple. Norway maple is the common name of Acer platanoides.…
The leaves of acer japonicum are 7-11 lobed and 3-6 inches across. The leaves are light green with silky…
Acer ginnala grows twenty feet tall. The leaves are three lobes. The flowers are yellowish and fragrant.
The common names of acer saccharinum are white or silver maple. The tree is large, about one hundred…
Common sugar maple and rock maple are the common names of acer saccharum. The leaves are 3-5 lobed and…
Black sugar maple is the common name of acer nigrum. The leaves are generally three lobed and five to…
Achimenes longiflora flowers are violet-blue and whitish beneath. The flowers grow alone on each stem.…
The flowers of Achimenes grandiflora are very large and distinctly red tinged. The leaves are mostly…
The flowers of Acineta barkeri are yellow striped with red-brown. The pseudobulbs has a cone shape,…
The common name of Aconite uncinatum is wild monkshood. The flowers are blue and the leaves are thick,…
The common name of Aconite autumnal is autumn aconite. The stem is three to five feet tall. The leaves…
The leaves of Actinoepis coronary are opoosite, except for the upper ones. The flowers are some of the…
The leaves of adiantum farleyense often reach between fifteen and twenty four inches in length. The…
The leaves of Adiantum continuum are twelve to eighteen inches long and grow on stout, black stalks.…
The leaves of Adiantum capillus-veneris are six to twenty inches long and three to each inches wide.…
Aechmea miniata variety discolor has purple leaves or leaves that are violet-brown on the back.
The leaves of Aerides odoratum are six to eight inches long and up to two inches broad. The flowers…
The common names of agapanthus umbellatus are African Lily and Lily-of-the-Nile. The flowers are blue…
The Agates orientalist tree grows one hundred feet tall. The leaves are opposite or alternate. The cones…
The leaves of Agave franzosinii are lance shaped, roughish, and white. The leaves are also have a large,…
The leaves of Agave americana are smooth, gray, and lance shaped. The plant has moderately large gray…
Pictured is the cross section of a leaf of Agave attenuate. The leaves are spreading with recurved tips.…
Agave angustissima is a closely allied form with agave schidigera. The leaves are often narrow and reddened.…
The leaves of Ageratum houstonianum are heart shaped at the base. The flowers are blue.
Aglaonema costatum is very dwarf and compact. The leaves are thick, heart shaped, and three inches wide.…
Ajuga reptans variety variegate has leaves splashed and edged with creamy yellow.
Allamanda cathartica variety hendersonii is tall, vigorous, and free flowering. The leaves are large,…
The common name of Allium fistulosum is welsh onion. It has no distinct bulb, but only an enlarged base…
The flowers of Allium moly are numerous and appear in early spring. The leaves are flat and broad.
The leaves of Allium neapolitanum are long and narrow. The flowers are large, pure white, with colored…
The leaves of Alloplectus schlimii are green above and violet or violet purple beneath. The calyx is…
The young branchlets either have a small amount of short, fine hair or they have none. The leaves are…
The common name of Alnus glutinous is black alder. The leaves are two to five inches long with five…
The leaves of Alocasia sanderiana are long with deeply notched margins. The leaves are a deep, glossy…
The stalks of Alocasia cuprea are two feet or less long and green. The leaves are dark metallic green…
The leaves of Aloe serrulata are spirally arranged and spreading. The leaves have scattered, elongated…
The leaves of Aloe mitriformis are upcurved and slight egg shaped. The leaves are somewhat prickly toward…
Alpine Mutica has very short stalked leaves. The outer segments of the flowers are white while the bright…
Alsophila australis has ample leaves. The pinnae are eighteen inches long. This fern is native to Australia.
The leaves of Alsophila oligocarpa a smooth and a grayish straw color. The fern is native to Colombia.
The flowers of Alstroemeria pulchella are dark red tipped with green and spotted inside with brown.…
Sweet alyssum is the common name of Alyssum maritime. The flowers grow in clusters at the end of the…
Ampelopsis heterophylla variety amurensis has hairy branchlets. The leaves are slightly three lobed…
The common names of Anagalis arvensis are common pimpernel and poor man's weatherglass. The flowers…
Pineapple is the common name of Ananas sativus. The fruit is borne on top of a rosette of stiff leaves.
Ananas sativus variety variegates is a variety of pineapple. This variety has striped leaves.