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Herbs, often woody at the base: branches usually long, slender, 4-cornered: upper Lvs. opposite, without stipules; lower Lvs. or all in whorls of 3 or more, linear or lanceolate, rarely ovate or obovate: fls. small, white, rosy or blue.—About 30 species, natives of the Medit. region and W. Asia. The genus is closely related to Asperula, and is distinguished by the fls. having bracts, not an involucre, and the style-branches distinctly unequal instead of nearly equal. The first species below has lately been referred to Asperula. It is of easy cult., preferring light, moderate loam and partial shade. A delicate plant for the front of borders, and capital for the rockery. Prop, chiefly by division, and also by seeds.
Herbs, often woody at the base: branches usually long, slender, 4-cornered: upper Lvs. opposite, without stipules; lower Lvs. or all in whorls of 3 or more, linear or lanceolate, rarely ovate or obovate: fls. small, white, rosy or blue.—About 30 species, natives of the Medit. region and W. Asia. The genus is closely related to Asperula, and is distinguished by the fls. having bracts, not an involucre, and the style-branches distinctly unequal instead of nearly equal. The first species below has lately been referred to Asperula. It is of easy cult., preferring light, moderate loam and partial shade. A delicate plant for the front of borders, and capital for the rockery. Prop, chiefly by division, and also by seeds.
C. chlorostachys, Fisch. & Mey. Annual, rough and spreading, but the whole plant only 4-6 in. high: fls. small, in spike-like clusters.—C. glomerata, Bieb. (Asperula glomerata, Griseb.), has yellowish green fls. in many interrupted spikes. Palestine to Persia. Properly an Asperula. N.Taylor.
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