喜马拉雅鹿藿 xi ma la ya lu huo

Herbs. Stems twining, densely pubescent and with brownish glands. Leaves pinnately 3-foliolate; stipules nar­rowly ovate, 4-8 mm; petiole 2-6 cm; petiolules 1-2 cm; ter­minal leaflet broadly ovate or circular-rhomboid, 2.5-6 × 2.5-4.5 cm, densely pubescent mixed with glandular hairs, abaxial surface with light green glands, base rounded-cuneate, margin entire, apex acuminate; lateral leaflets oblique at base. Raceme axillary, sparsely flowered; bracts elliptic, 4-8 mm, apex acu­minate; peduncle 4-7 mm. Calyx 5-lobed, hairy, exterior glan­dular; tube 3-4 mm; upper 2 lobes connate at base, narrowly triangular, 5-7 mm. Corolla yellow with obvious purple stri­ations, 1.3-1.5 cm; standard broadly obovate, 1.5-1.8 × 1.1-1.3 cm, glabrous, base auriculate, with adaxial callosity at base, apex emarginate; wings glabrous, clawed, 12.5-13 mm, base auriculate, apex emarginate; keel crescent-shaped, inflexed, ob­viously longer than wings, 14.5-16 mm, apex obtuse, not auric­ulate. Ovary ca. 5 mm, densely minutely villous, stipe ca. 5 mm; style 13.5-15 mm. Legume 2.5-3 × ca. 0.9 cm, densely micro-villous and glandular hairy. 2n = 22.

Forest understories, river valleys, mountains, fields; 1200-3300 m. Sichuan, Xizang, Yunnan [India, Myanmar, Nepal, Pakistan].

Lower Taxa

• Rhynchosia himalensis var. craibiana (Rehder) E. Peter
• Rhynchosia himalensis var. himalensis