帕米尔黄耆 pa mi er huang qi

Astragalus alatavicus Karelin & Kirilov var. pamirensis (Franchet) B. Fedtschenko; A. myriophyllus Bunge (1880), not (Pallas) Pallas (1802).

Plants 13-20 cm tall, caespitose, acaulescent or subacau­lescent, densely covered with mostly spreading hairs 0.3-0.5(-1) mm. Leaves 5-20 cm; stipules with longitudinal nerves, 7-12 mm, adnate to petiole for 3-5 mm, at margin and some­times toward apex loosely to densely hairy; petiole 2.5-5 cm, like rachis densely spreading hairy; leaflets 4-6 verticillate in 8-14(-20) approximate whorls, narrowly elliptic to narrowly obovate, 5-10 × 2-4 mm, mostly folded, abaxially densely vil­lous with appressed to spreading hairs, adaxially glabrous or nearly so, apex rounded to subacute. Racemes 3-4 cm, 5-15-flowered; peduncle 1-5 cm, densely spreading hairy; bracts 3-5(-8) mm, densely ciliate. Calyx 13-15 mm, densely spreading hairy; teeth 2-4 mm. Petals yellow, fading red; standard obo­vate-pandurate, 20-21 × 8-9 mm, in lower 1/3 slightly con­stricted, apex deeply incised; wings 19-20 mm; keel 17-18 mm. Legumes with a stipe 2-3 mm, 12-18 mm, 4-5 mm high and wide, with a beak 2-3 mm, incompletely 2-locular; valves densely villous.

Sandy and stony ground in subalpine to alpine zones; 2800-4200 m. Xinjiang [Kyrgyzstan, Tajikistan].