类变色黄耆 lei bian se huang qi

Astragalus golubojensis Podlech & L. R. Xu.

Plants 20-40 cm tall. Stems branched at base, up to 30 cm, loosely to rather densely covered with appressed to spreading white hairs 0.2-0.3 mm. Leaves 3-8 cm, subsessile; stipules 3.5-4 mm, free, sparsely white hairy; rachis sparsely to loosely hairy like stem; leaflets in 4-7 pairs, narrowly elliptic, 6-20 × 1-3 mm, abaxially loosely to rather densely covered with sub­appressed to ascending hairs up to 0.3 mm, adaxially glabrous, apex obtuse. Racemes 1-4 cm, densely many flowered, dis­tinctly elongating with age; peduncle 6-10 cm, loosely to densely covered with appressed to spreading white or toward raceme also with black hairs; bracts whitish membranous, 1.5-2 mm, sparsely predominantly black hairy. Calyx 3.5-4 mm, loosely to rather densely appressed white and black hairy; teeth 1.5-2 mm. Petals purple, blue, or nearly white; standard obo­vate, 7-8 × 4-4.5 mm, apex slightly emarginate; wings 5-6 mm, limbs slightly bilobed; keel 4-5 mm. Ovary subsessile, glabrous. Legumes unknown.

● About 3000 m. Qinghai, Sichuan, Xizang.