藏布黄耆 zang bu huang qi

Plants at least 30 cm tall (basal parts missing), covered with subappressed to ascending hairs 0.3-0.7 mm. Stem branched, glabrous in basal parts, otherwise sparsely to loosely white and black hairy. Leaves 3-7 cm; stipules 3-5 mm, free, sparsely white and black hairy; petiole 0.5-1.5 cm, like rachis loosely to rather densely mostly white hairy; leaflets in 8-11 pairs, elliptic, 4-9 × 1-2.5 mm, abaxially loosely to rather densely subappressed white hairy, adaxially glabrous, apex acute. Racemes 1.5-2.5 cm, loosely 6-10-flowered; peduncle 5-6 cm, hairy like stem; bracts 1.5-2 mm, sparsely white and black hairy. Bracteoles rarely present. Calyx ca. 3 mm, loosely to rather densely covered with white or white and black hairs; teeth ca. 1 mm. Petals (in dry state) whitish yellow or very slightly pale bluish suffused; standard orbicular, ca. 7 × 6 mm, apex widely emarginate; wings ca. 6.5 mm, limbs rounded at apex; keel ca. 5 mm. Ovary sessile, ellipsoid, white hairy. Leg­umes unknown.

● About 3600 m. Xizang (Lhasa region).