毛果黄耆 mao guo huang qi

Astragalus genistoides Boissier; A. latistylus Freyn; A. latistylus subsp. aridus Freyn; A. psilopterus Bunge.

Plants to 30 cm tall, strongly branched, with appressed to spreading only white hairs 0.2-1.5 mm, at calyx up to 3 mm. Stems of current year 2-8(-15) cm, hairy, glabrescent with age. Leaves 3-5 cm; stipules 3-8 mm, semiamplexicaul, adnate to petiole for 1-2 mm, hairy; petiole 1-2.5 cm; rachis rigid, spiny, obliquely erect, hairy, glabrescent with age, free tip 2-3 × as long as uppermost leaflets; leaflets in 5-8 pairs, elliptic to obo­vate, lower ones 3-6(-9) × 1.5-3 mm, mostly folded, hairy, apex rounded to retuse. Racemes 1-3-flowered; peduncle 0.1-2.5 cm; bracts 2-4 mm. Calyx 12-15 mm, hairy; teeth 2-5 mm. Petals yellow, hairy; standard obovate, 15-26 × 8-11 mm; wings 14-25 mm; keel 13-22 mm. Legumes 11-18 mm, 5-7 mm high, with a beak 1.5-3 mm, incompletely to nearly com­pletely 2-locular; valves leathery, densely hairy.

Steppic stony plains, Pinus and Cedrus forests, montane to al­pine zones; 2400-4300 m. Xinjiang, Xizang [Afghanistan, Kazakh­stan, Kyrgyzstan, Pakistan, Tajikistan, Uzbekistan].