木垒黄耆 mu lei huang qi

Astragalus songoricus Gontscharow, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 7: 152. 1938, not A. son­garicus Pallas (1800), nor A. songaricus K. Koch (1853).

Plants 15-28(-40) cm tall, acaulescent, white hairy. Leaves 15-36 cm; stipules whitish, distinctly longitudinally nerved, (6-)10-20 mm, adnate to petiole for 3-5 mm, lower ones cili­ate, upper ones densely hairy; petiole 4-10 cm, like rachis densely covered with spreading very unequal hairs 0.5-2.5 mm; leaflets in 15-29 pairs, ± elliptic, 8-24 × 5-12 mm, both sur­faces densely appressed hairy, apex obtuse to subacute. Ra­cemes loosely 2-7-flowered; peduncle 1-7 cm, spreading hairy; bracts 8-20 mm, hairy. Calyx 13-21 mm, ± densely long spreading hairy; teeth unequal, 4-9 mm. Petals yellow, hairy; standard elliptic to obovate, 23-28 mm, apex emarginate; wings 19-23 mm; keel 15-18 mm. Legumes sessile, 15-17 mm, 6-10 mm high and 5-7 mm wide, with a curved beak ca. 2 mm, 2-locular; valves leathery, loosely spreading hairy.

Stony slopes. Xinjiang [Kazakhstan].