长梗黄耆 chang geng huang qi

Plants acaulescent or nearly so, 4-9 cm tall. Stems, if pres­ent, up to 1 cm but mostly absent. Leaves 3.5-9 cm; stipules 4-5 mm, adnate to petiole for 1.5-2 mm, vaginate-connate behind stem for 1-2 mm, toward apex at margins with white and black hairs up to 0.4 mm; petiole 2.5-6 cm, like rachis loosely to rather densely covered with subappressed to ascending white and also some black hairs; leaflets in 3-5 pairs, narrowly ellip­tic, 4-8 × 2-3.5 mm, often folded, abaxially loosely to densely white hairy like rachis, adaxially glabrous, apex obtuse. Ra­cemes ca. 1 cm, densely 4-10-flowered; peduncle 1.5-4 cm, hairy like rachis but toward raceme often with more black hairs; bracts ca. 2 mm, sparsely to loosely white and black hairy. Calyx 3-4 mm, rather densely covered with subappressed to ascending black and sometimes also a few white hairs 0.3-0.4 mm; teeth 1.5-2 mm. Petals purple; standard widely obovate, ca. 7 × 4.5 mm, without distinct claw; wings ca. 6 mm; keel ca. 5 mm. Legumes (immature) sessile, ca. 6 mm, ca. 2 mm high and ca. 3 mm wide, densely covered with appressed black hairs.

4000-4700 m. Xizang [Nepal].