硬柄黄耆 ying bing huang qi

Plants subshrubby, 30-50 cm tall. Stems of current year 5-25 cm, slender, sparsely to rather densely covered with medi­fixed, appressed, white hairs 0.3-0.5 mm, at nodes with black hairs mixed in. Leaves 2.5-6 cm; stipules 4-8 mm, adnate to petiole for ca. 2 mm, loosely appressed white and black hairy; petiole 0.5-1.5(-2) cm, with rachis sparsely to loosely hairy like stem; leaflets in 5-10 pairs, 10-28 × (3-)4-7 mm, abaxi­ally covered with medifixed, appressed hairs 0.7-1 mm, adaxi­ally glabrous or nearly so. Racemes 3-8 cm, 1-sided, 8- to many flowered; peduncle up to 6(-8) cm, sparsely hairy; bracts 4-7 mm, sparsely covered with basifixed, black or mixed white and black hairs. Calyx already during anthesis inflated ovoid, ca. 13 mm, loosely covered with subappressed, mostly subbasi­fixed, white hairs 0.7-1 mm and with shorter, bifurcate, black hairs; teeth 2.5-4 mm. Petals yellow; standard obovate, 15-16 mm, apex emarginate; wings 14-15 mm. Legumes with a beak 1-1.5 mm, 2-locular; valves covered with spreading black and very sparsely with white hairs.

Xinjiang [Kazakhstan].