短毛黄耆 duan mao huang qi

Plants at least 35 cm tall (basal parts missing). Stem branched, ca. 1.5 mm thick, glabrous, those of lateral branches sparsely covered with subappressed white hairs 0.15-0.3 mm. Leaves 3-7 cm; stipules ca. 5 mm, in lateral branches 2-3 mm, free, at margins and apex sparsely white and black hairy; peti­ole 0.5-1.5 cm, like rachis sparsely to loosely hairy; leaflets in 8-15 pairs, elliptic, 4-7 × 2-3.5 mm, abaxially sparsely ap­pressed hairy at margins and midvein, adaxially glabrous, apex truncate to retuse. Racemes 2-3 cm, rather densely 12-15-flow­ered; peduncle 3-4.5 cm, sparsely hairy; bracts 1-3 mm, sparsely hairy. Calyx ca. 4 mm, glabrous or with scattered black hairs only; teeth unequal, abaxial ca. 2 mm, adaxial ca. 1 mm. Petals greenish yellow; standard obovate, ca. 9 × 5 mm, apex emarginate; wings and keel ca. 8 mm. Legumes (unripe) with a stipe 3-4 mm, obliquely ellipsoid, 10-12 mm, incompletely 2-locular; valves membranous, glabrous.

● Xizang.