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Dayaoshania W. T. Wang

瑶山苣苔属

Description from Flora of China

Herbs, perennial, terrestrial, rhizomatous, stemless. Leaves many, basal; leaf blade puberulent, base broadly cuneate to subcordate. Inflorescences monochasial, lax, axillary, 1- or 2-flowered cymes; bracts 2, opposite. Calyx actinomorphic, 5-lobed to 5-sect from base; segments equal. Corolla purplish to white, zygomorphic, inside sparsely puberulent basally; tube nearly campanulate, not swollen, nearly as long as limb, 5-9 mm in diam.; limb 2-lipped; adaxial lip 2-lobed, nearly equalling abaxial lip; abaxial lip (2 or)3-lobed, lobes equal, apex acute, rarely obtuse. Stamens (1 or)2, adnate to abaxial side of corolla tube near base, slightly exserted; anthers dorsifixed, free, thecae parallel, not confluent at apex, dehiscing longitudinally; connective not projecting; staminodes absent or 2, adnate to adaxial side of corolla tube. Disc ringlike. Ovary linear, 1-loculed; placentas 2, parietal, undivided. Stigmas 2, equal, truncate, undivided. Immature capsule straight in relation to pedicel, linear, much longer than calyx; valves 2, straight, not twisted. Seeds unknown.

* One species: endemic to China.


 

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