疆西黄耆 jiang xi huang qi

Plants up to 5-7 cm tall, acaulescent to subacaulescent, forming loose mats. Stems numerous, very short, slender. Leaves 1-3 cm; stipules small, adnate to petiole, sometimes amplexicaul, white hairy; petiole 0.5-1 cm; leaflets in 4 or 5 pairs, narrowly elliptic, 6-10 × 1-2 mm, both surfaces densely appressed hairy. Racemes 1-2 cm, rather loosely 8-20-flow­ered, elongating in fruit up to 4 cm; peduncle ascending, 3-10 cm, covered with appressed white hairs, below raceme also with black hairs; bracts 1-1.5 mm, mostly black hairy. Calyx 4-5 mm, densely appressed white and black hairy; teeth ca. 2 mm. Petals pale bluish to yellowish with violet tips; standard 9-11 mm, limb orbicular, apex retuse; wings 8-9 mm; keel 7-8.5 mm. Legumes curved, 9-12 mm, 2.5-3 mm high, keeled ven­trally; valves with long, ascending, white hairs.

● W Xinjiang.