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2. Cochlianthus gracilis Bentham in Miquel, Pl. Jungh. 234. 1852.
细茎旋花豆 xi jing xuan hua dou
Herbs, slender, twining and climbing. Stems hairy at first, later glabrescent. Leaflets membranous or papery, strigose on both surfaces, terminal leaflet ± narrowly ovate-rhomboid, symmetric, lateral ones oblique, 5-9 × 2-6 cm, base broadly cuneate or obtuse, apex caudate-acuminate. Calyx densely hispidulous; upper 2 teeth connate into an entire or emarginate lip; lowest tooth lanceolate, 6-7 mm. Corolla pink or light purple; standard obovate-orbicular or suborbicular, ca. 2 × 1.7 cm; wings broadly spatulate, slightly longer than or as long as standard, base with auricle as long as claw, apex rounded; keel much longer than wings, upper part coiled inward, base with long claw and short auricle. Ovary with 2-4 mm stipe, with or without small cup-shaped disk at base. Style and filaments coiled inward for 1 or 2 turns in upper part. Legumes linear-oblong, densely hirsute with brownish black long hairs.
Open forests, mountain slopes, scrub, roadsides; 1400-1800 m. Sichuan, Xizang, SW Yunnan [Bhutan, Nepal].
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1 |
Upper 2 calyx teeth connate into an entire lip; stipe of ovary ca. 4 mm, with a small cup-shaped disk at base; style and filaments coiled inward for 1 turn in upper part. |
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2a var. gracilis |
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Upper 2 calyx teeth connate into an emarginate lip; stipe of ovary ca. 2 mm, without disk at base; style and filaments coiled inward for 2 turns in upper part |
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2b var. brevipes |
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Lower Taxa
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