Craterostigma
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Standard Cyclopedia of Horticulture |
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Craterostigma (Greek, referring to character of stigma). Scrophulariaceae. Torenia-like perennial low nearly stemless herbs of E. and S. Afr., sometimes grown under glass. Lvs. radical, plantago-like, many- nerved, entire: fls. lilac and purple, spicate, racemose or even solitary; calyx tubular, 5-ribbed and narrowly 5-toothed; corolla tubular, 5-ribbed and 5-toothed, the tube enlarged toward the top, the limb 2-lipped, the dorsal lip concave and entire or emarginate, the other large and spreading and 3-lobed; stamens 4 and perfect, in unequal pairs; style filiform, 2-lobed and dilated at apex: fr. an oblong caps, included in the calyx. Differs from Torenia in technical floral characters and in being nearly or quite stemless and with only radical Lvs.—About 4 species. C. pumilum, Hochst. (Torknia auriculaefolia, Dombr.) has fls. on slender pedicels ½-1¼ in-long, the corolla-lobes pale lilac blotched with purple and veined with white: Lvs. sessile, ovate, in a basal rosette, pubescent beneath and nearly glabrous above. E. Africa. F.M. 10:534.—A stemless perennial. L. H. B. CH
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Craterostigma. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
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