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Metapetrocosmea W. T. Wang

盾叶苣苔属

Description from Flora of China

Herbs, perennial, epipetric, rhizomatous, stemless. Leaves few to many, basal; leaf blade sparsely puberulent, base rounded, peltate. Inflorescences lax, axillary, 1- or 2(-7)-flowered cymes; bracts 2, opposite. Calyx actinomorphic, 5-sect from base; segments equal. Corolla white, zygomorphic, inside glabrous; tube tubular, not swollen, longer than limb, ca. 3 mm in diam.; limb 2-lipped; adaxial lip 2-lobed, shorter than abaxial lip; abaxial lip 3-lobed, lobes subequal, apex rounded. Stamens 2, adnate to abaxial side of corolla tube near base, included; anthers nearly dorsifixed, free, thecae divaricate, not confluent, dehiscing longitudinally; connective not projecting; staminodes 2, adnate to adaxial side of corolla tube. Disc absent. Ovary broadly ovoid, 1-loculed; placentas 2, parietal, slightly projecting inward and divaricate. Stigma 1, terminal, capitate, undivided. Capsule straight in relation to pedicel, nearly globose, slightly surpassing calyx, dehiscing loculicidally to near middle; valves 2, straight, not twisted. Seeds unappendaged.

* One species: endemic to China.


 

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