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Didissandra C. B. Clarke

漏斗苣苔属

Description from Flora of China

Raphiocarpus W. Y. Chun.

Herbs, rarely shrubs or subshrubs, perennial, epipetric or terrestrial, rhizomatous. Stems simple or branched. Leaves 2 to few, on stem, opposite, often crowded at stem apex, equal to strongly unequal in a pair; leaf blade puberulent to villous or glabrous, base cuneate to cordate. Inflorescences lax or dense, axillary, 1-10-flowered cymes; bracts 2 or apparently absent, opposite. Calyx actinomorphic, 5-sect from base to 5-lobed; segments equal. Corolla white to yellow, orange-red, purple, or blue-purple, zygomorphic, inside glabrous to sparsely glandular pubescent; tube narrowly cylindric to cylindric basally, ampliate above, not swollen, 4-5 X longer than limb, 0.6-1.5 cm in diam.; limb 2-lipped; adaxial lip 2-lobed, longer than to much shorter than abaxial lip; abaxial lip 3-lobed, lobes equal or subequal, apex rounded. Stamens 4, adnate to corolla tube near or above middle, included; anthers basifixed, coherent in pairs, thecae divergent, not confluent or confluent, dehiscing longitudinally; connective not projecting; staminode absent or 1, adnate to adaxial side of corolla tube. Disc ringlike. Ovary linear, 1-loculed; placentas 2, parietal, projecting inward, 2-cleft. Stigmas 2, equal or unequal, oblong to deltoid, undivided or 2-lobed. Capsule straight in relation to pedicel, linear to narrowly oblong, much longer than calyx, dehiscing loculicidally to base; valves 2, straight, not twisted. Seeds unappendaged.

About 31 species: China, Indonesia, Malaysia, Thailand, Vietnam; five species in China.

引种苗圃 Introducing Plants Nursery

Lower Taxa


 

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