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Cyanotis (Greek, referring to the blue petals). Commelinaceae. Probably 40 creeping, ascending or weak branching often woolly or hairy herbs, much like Tradescantia; they are native in warm countries about the globe. Lvs. sheathing, small or medium in size, various: fls. in scirpioid cymes or variously disposed, mostly blue or rose-colored; sepals 3, lanceolate-carinate, nearly equal, usually combined at base into a short tube: petals 3, also nearly equal, often connate in a tube, the limb spreading and suborbicular; stamens 6, all perfect, nearly equal; ovary sessile, 3-cclled and each cell 2-ovuled. Easy of cult.; prop, by cuttings. There are few species in cult.; perennial; grown in greenhouses or warm- houses. C. hirsuta, Fisch. & Mey., from Abyssinia, villous or glabrous, has erect st., globose tubers, linear soft-hairy lvs., and rose-colored perianth and blue-bearded filaments. B.M. 7785. C. barbata, Don, of E. India, has elongated branching nearly glabrous st., narrow-oblong or nearly linear lvs., and blue spatulate-oblong petals free to the base: ovary hirsute at apex and the style bearded. C. kewensis, Clarke, of E. Indies, is procumbent, reddish-hairy, leafy, the branches fleshy: lvs. a half or more longer than broad, sessile and amplexicaul: petals rose-purple, ovate, free; filaments bearded. B.M. 6150 (as Erythrotis Beddomei). C. nodiflora, Kunth, of S. Afr., is cobwebby or woolly but becoming glabrous, the fibrous roots terminating in tubercles: lvs. narrowly lance-linear: petals blue, lightly connate. B.M. 5471. L.H.B.
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