西巴黄耆 xi ba huang qi

Plants 15-22 cm tall; hairs in vegetative parts ± medifixed, distinctly flattened, appressed, white, 0.3-0.5 mm. Stems sever­al, branched at base, slender, loosely to rather densely hairy. Leaves 1.5-4 cm, subsessile or lower ones with a short petiole; stipules 2-3 mm, behind stem vaginate-connate to middle or even higher up, loosely to rather densely hairy; rachis slender, hairy like stem; leaflets in (3 or)4-7 pairs, obovate, 2-5 × 1-2 mm, both surfaces rather densely hairy, apex obtuse to slightly retuse. Racemes capitate, densely 10-12-flowered; peduncle 3.5-7.5 cm, hairy like stem; bracts 2-3 mm, with strongly asym­metrically bifurcate to basifixed predominantly black hairs. Ca­lyx 5-7 mm, loosely to rather densely covered with subbasi­fixed to basifixed, ± spreading, white or white and black hairs ca. 1 mm; teeth 2-2.5 mm. Petals pale purple to yellow when dry; standard elliptic, 8-9 × ca. 3.5 mm, without distinct claw, apex deeply incised; wings ca. 8 mm; keel 6.5-7 mm. Ovary sessile, covered with white hairs up to 1 mm. Legumes unknown.

3000-4600 m. Xinjiang [Pakistan].