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Perovskia Karel.

分药花属

Description from Flora of China

Subshrubs, glabrous or stellate, sparsely golden yellow glandular. Leaves entire or pinnatley lobed. Verticillasters 2-4(-6)-flowered, in panicles. Flowers sessile to short pedicellate. Calyx tubular-campanulate, 8-veined, ± dilated in fruit, densely hairy or sometimes stellate, 2-lipped, upper lip ± entire to obscurely 3-denticulate, lower lip 2-toothed. Corolla purple, rose, or yellowish, rarely white, ca. 2 × as long as calyx, funnelform, without or with imperfect hairy annulus inside; limb 2-lipped, spreading; upper lip 4-lobed, lobes unequal, middle 2 lobes smaller; lower lip elliptic-ovate, margin entire. Stamens 4, anterior 2 fertile, exserted, inserted on corolla throat, posterior 2 sterile, rudimentary; anther cells 2, linear, parallel, connectives small. Style exserted, apex 2-cleft; lobes wide, flat. Disc ringlike or fingerlike in front. Nutlets brown, obovoid, obtuse, glabrous.

About seven species: Asia, two species in China.


 

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