皮鲁斯黄耆 pi lu si huang qi

Plants 10-15 cm tall, subacaulescent, covered with bifur­cate, spreading hairs. Stems (0.5-)1-2(-3) cm, ascending to erect, densely covered with short and long white hairs. Leaves 6-12 cm; stipules (2-)3-9 mm, adnate to petiole, densely white hairy; petiole 1.5-4 cm, like rachis covered with ascending to spreading white hairs; leaflets in 9-16 pairs, 8-16 × (3-)4-6 mm, abaxially densely and adaxially sparsely hairy. Racemes 2-4 cm, at first densely, later on rather loosely many flowered; peduncle 2-5(-8) cm, with white hairs, toward raceme pre­dominantly black hairy; bracts 5-9 mm, white and black hairy. Calyx 12-16 mm, densely villous, with rigid white and black hairs, at nerves and teeth more black hairy and so slightly black striate; teeth 3-5.5 mm. Petals yellow; standard elliptic to nar­rowly obovate, 21-25 × 7-8 mm, apex slightly retuse; wings 20-23 mm; keel 19-22 mm. Ovary stipitate, oblong, white hairy; style glabrous. Legumes unknown.

● NW Xinjiang.