湄公黄耆 mei gong huang qi

Plants ca. 20 cm tall. Stems 12-16 cm, densely covered with appressed to ascending or even spreading white hairs 0.2-0.3 mm. Leaves 5-10 cm; stipules 6-10 mm, all distinctly con­nate behind stem, densely hairy; petiole up to 2 cm, hairy like stem; leaflets of main stem leaves in 10-13 pairs, 8-15 × 2.5-6 mm, abaxially rather densely hairy, adaxially glabrous or sparsely hairy. Racemes rather densely 10-20-flowered; pedun­cle 5-7 cm, covered with ascending to spreading white hairs, below raceme also with black hairs; bracts ca. 4 mm, black hairy. Calyx 4.5-5 mm, rather densely covered with subap­pressed black hairs 0.3-0.8 mm; teeth subulate, longer ones 2.5-3 mm. Petals white, tip of keel sometimes purple; standard 9-10 × 4.5-5 mm, without distinct claw, apex emarginate; wings ca. 8 mm; keel 6-6.5 mm. Legumes (unripe) sessile, slightly curved, 5-7 mm, ca. 2 mm high, densely white and black hairy.

● 3300-3400 m. E Xizang.