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Four species allied to Dracocephalum, to which the first 2 belong according to Bentham. Engler and Prantl consider the genus monotypic, containing only the third species below. The 2 native kinds described below are compact, free-flowering border perennials, with aromatic lvs. and numerous showy purplish pink fls. with blue stamens, and borne in dense whorls on long racemes or spikes: calyx a trifle oblique, 5- toothed; corolla-tube exserted, the limb 2-lipped; stamens 4, the anthers 2-celled. — They are not quite hardy N., and should have a sheltered sunny position, or some winter protection. The first 2 prop. by division of the root, the last by cuttings.
Four species allied to Dracocephalum, to which the first 2 belong according to Bentham. Engler and Prantl consider the genus monotypic, containing only the third species below. The 2 native kinds described below are compact, free-flowering border perennials, with aromatic lvs. and numerous showy purplish pink fls. with blue stamens, and borne in dense whorls on long racemes or spikes: calyx a trifle oblique, 5- toothed; corolla-tube exserted, the limb 2-lipped; stamens 4, the anthers 2-celled. — They are not quite hardy N., and should have a sheltered sunny position, or some winter protection. The first 2 prop. by division of the root, the last by cuttings.
C. paeida, Lindl Similar to C. mexicana, but differing in having shorter, pale red fls. B.R. 1846:29. It is sometimes confused with C.mexicana. N. TAYLOR.
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