刺叶柄黄耆 ci ye bing huang qi

Astragalus cicerifolius Royle ex Bunge (1868), not Royle ex Fischer (1853); A. zanskarensis Bentham ex Bunge subsp. oplites (Bentham ex R. Parker) I. Deml.

Plants mostly branched at base; hairs appressed to ± spreading, in vegetative parts only white, in inflorescence partly blackish, up to 1.5 mm, at calyx and legume up to 2-3 mm. Stems more than 20 cm, parts of current year 1-2(-10) cm, hairy. Leaves 5-7 cm, erect; stipules 7-15 mm, semiamplexi­caul, adnate to petiole for 2-4 mm, glabrous or hairy; petiole 1-2.5 cm; rachis glabrous, free tip ± as long as uppermost leaflets; leaflets in 8-14 pairs, obovate, lower ones 4-11 × ca. 2.5 mm, abaxially rather densely hairy, adaxially glabrous, apex rounded to retuse. Racemes 3-5-flowered; peduncle 1-2 cm, hairy; bracts 3-8, mostly ca. 5 mm, ciliate, rarely hairy. Bracteoles sometimes present, 0.5-1.5 mm. Calyx 10-15 mm, always with black and white hairs; teeth 2.5-5 mm. Petals yellow, glabrous; standard elliptic to obovate, 17-25 × 6-8(-10) mm; wings 15-23 mm; keel 14-21 mm. Legumes subsessile, 10-15 mm, ca. 4 mm high, with a straight beak 2.5-5 mm, incompletely 2-loc­ular; valves leathery, spreading hairy.

Xinjiang, Xizang [India, Kashmir].