This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
(Greek for Sandal; application obscure). Compositae. A large group of annual, biennial and perennial herbs, a few of which are now and then grown in outdoor gardens for the showy flowers.
Much like Hieracium, differing mostly in the simpler involucre, white soft pappus, and beaked achene: leaves radical and cauline, the former mostly runcinate, repand or pinnatisect, the latter mostly clasping: heads pedunculate, solitary or paniculate, all the florets perfect and ligulate, the rays yellow, orange or red: fruit a smooth achene. - Perhaps 250 species in the north temperate zone, some of them weedy and widely dispersed. Among the cultivation kinds is C. sibirica, which resembles a sow-thistle in habit, and has corymbs of reddish blue flowers about the size of a hawkweed, or a small dandelion. It is one of the coarser border plants, and rare. Rather light, sandy soil, and full exposure to the sun are essentials to the welfare of this plant. It is contented in a rather dry position, either in the rockery, or in the border. It is propogated by division. A common plant on the moss of English thatched cottages is C. virens, a yel-low-flowered plant, resembling a dandelion. C. rubra appears to be the commonest annual species cult. abroad.
Linn. Perennial, 2-3 ft. high, and at least as wide when in bloom: plant covered with short rough hairs: root large, fleshy: leaves rough, wrinkled, the lower coarsely dentate, the upper often somewhat cordate, 12 in. long, including a petiole half as long: flowers bright yellow in a strictly terminal corymb; involucre loose, hairy. July. Eu., Asia Minor, Himalayas. Gn. 53, p. 493. - The tallest and largest-fid. of the genus. Its white plumy masses of seeds are also attractive.
Reichb. Black-hairy: height 1 ft. or less: flowers orange, mostly solitary: lower leaves spatulate-oblong, toothed, shining. June. Alps. - One of the commonest perennial species of the genus abroad. Repays rich soil.
Linn. Fig. 1105. Annual: height 1/2-1 1/2 ft-flowers red, usually solitary, the involucre being hispid. An attractive little flower-garden plant. variety alba, Hort., has flesh-colored or whitish flowers Italy, Greece.
Fig. 1105. Crepis rubra. (X 1/4)
C. barbata, Linn.=ToIpis. - C. montana, Reich. 12-18 in.: leaves unequally dentate: flowers yellow in a large head. High mts., Switzerland, etc. Mentioned as grown in this country, but apparently not in the trade. L H B +