The common name of centaurea moschata is sweet sultan. The stem is two feet tall and branching below.…
The pitchered leaves of cephalotus follicularis are green, crimson or purple, and white. The pitchers…
Ceratopteris pteridoides ferns can be found from Florida to South America. The sterile leaves are short…
Ceratozamia mexicana has a thick, short trunk covered with the remains of fallen leaf stalks. The leaves…
The cercis canadensis tree grows forty feet tall. The leaves are roundish and broadly oval shaped. The…
The stalks and rachis of ceropteris calomelanos are nearly black. The leaves are one to three feet long.
The common name of chamaedaphne is leather leaf. The calyculata variety is a bush with spreading or…
Chamaerops is a low, fan leaved palm. The humilis variety grows one to one and a half feet tall. The…
The leaves of cheilanthes lanosa grow in dense tufts. The stalks are two to four inches long and slightly…
Chelone glabra usually grows one to two feet tall. The flowers are white or rose tinged.
The common name of chimaphila is pipsissewa. The maculata variety has white flowers. There are two to…
The common name of chionodoxa is glory-of-the-snow. The luciliae variety has bright blue flowers with…
Chrysanthemum carinatum grows two to three feet tall. The stems are branched with fleshy leaves. The…
The Paris or Marguerite daisy is the common name of chrysanthemum frutescens. It is a perennial that…
Illustrated are the leaves of the frutescens and anethifolium varieties of chrysanthemum.
Chrysanthemum coccineum grows one to two feet tall. The flowers are white or red in shades of pink,…
Chrysanthemum maximum grows one foot tall. The leaves are narrowed at the base. It is native to the…
The common names of chrysanthemum leucanthemum are whiteweed and ox-eye daisy. The plant grows one to…
The hairy type of chrysanthemum is often called ostrich plume and Japanese hairy. The flowers are white…
Chysis bractescens are three to five flowers that are about three inches across. The flowers are ivory-white…
The common name of cimicifuga is bugbane. The racemosa variety grows three to eight feet tall. The flowers…
Illustrated is a small plant of florists' cineraria. The plants run in white and in shades of blue,…
The leaves of grapefruit are large and dark, glossy green above. The shape is oval or elliptic oval.
Pictured is the leaf or sour or seville orange. The leaves are light green when young and three to four…
Common or sweet orange is the common name of citrus sinensis. It is a medium sized tree with a rounded…
Clarkia elegans grows one to six feet tall. The flowers are purple or rose colored. There are some white…
Clarkia pulchella grows between twelve and eighteen inches tall. The flowers are lilac and there is…
The flowers of clematis fremontii are purple and drooping. The leaves are three to four inches long.
Clematis stanleyia is an erect, robust herb that grows three feet tall. The flowers are one to three…
Clematis lawsoniana henryi is a derivative from clematis lanuginosa. The flowers are creamy white and…
The flowers of clematis paniculata are one to one and a half inches across. The flowers are dull white…
The leaves of clematis virginiana are cut toothed. The bases are often heart shaped. The leaves are…
The common name of cleome spinosa is giant spider plant. The flowers have four petals. The flowers are…
Clerodendron thomsonae is a tall, twining, evergreen shrub. The flowers are white and light crimson.…
Clerodendron trichotomum is a slender but erect, graceful sub-shrub. It grows four to ten feet tall,…
The common name of clethra is white adler. The tomentosa variety grows two to eight feet tall. It is…
The leaves of clivia miniata are sword shaped and taper to a point. There are twelve to twenty flowers…
Cloves are dried flower buds. Illustrated are (1) a spray of leaves and flowers, (2) an expanded flower,…
The common names of coccoloba uvifera are sea grape, shore grape, and uvadel mar. The leaves are large,…
Cochlearia danica grows six to eight inches tall. The leaves are rounded and kidney shaped. The small…
Codiaeum variegatum Baronne de Rothschild has red colored leaves when older.
Codieum disraeli is an example of the lobatum form. The leaves are more or less three lobed.
Codiaeum interruptum is an example of the form appendiculatum. The leaves are constricted to the midrib.
Codiaeum spirale is an example of forms crispum and cornutum. The leaves have a crisped margin.
The flowers of coelia baueriana are small, white, and fragrant. The flower lip is yellow. The plant…
The flower clusters of coelogyne cristata have five to nine flowers. The flowers are white and drooping.
The common name of coix lacryma-jobi is Job's tears. The beads or "tears" are pearly white to a lead…
The common names of colchicum are meadow saffron and autumn crocus. The autumnale variety has one to…
The verschaffeltii variety of coleus blumei is more robust and branchy than the type. The leaves are…
Collinsia bicolor grows one to two feet tall. The flowers are typically purple and white.
The flowers of collinsia bicolor alba are pure white. The flowers can also have a greenish or yellowish…
Comandra umbellata grows six to eighteen inches tall. The flowers are whitish. The leaves are thin,…
The common name of convovulus sepium is rutland beauty. The flowers are white, rose, or pink with white…
Convovulus tricolor grows six to twelve inches tall. The stem is covered with long, brownish hairs.…
Cordyline terminalis baptistii has broad, recurved, deep green leaves. The leaves have some pink and…
Coreopsis lanceolata grows one to two feet tall. The leaves are few and large. It is native to the eastern…
The common name of cornus florida is flowering dogwood. The shrub grows ten to fifteen feet tall and…
Cornus kousa is a shrub that grows twenty feet tall. The flowers are creamy white and very showy. The…
The common name of coronilla varia is crown vetch. It is a straggling or ascending smooth herb growing…