短龙骨黄耆 duan long gu huang qi

Plants 5-10 cm tall, acaulescent or nearly so, caespitose, only white hairy. Stems, if present, up to 1 cm, densely covered with subappressed hairs. Leaves 2-4(-8) cm; stipules 7-12 mm, adnate to petiole up to middle, densely villous with spreading hairs up to 1 mm; petiole 1.5-2(-4) cm, like rachis covered with medifixed, appressed hairs 0.3-0.5 mm; leaflets in (1 or)2 or 3 pairs, obovate, 4-7 × 1.5-3 mm, abaxially densely and adaxially loosely covered with medifixed, appressed hairs up to 1 mm. Racemes sessile, few flowered; bracts 6-7 mm, ciliate with ± spreading, basifixed hairs. Calyx tubular, 8-9 mm, densely covered with ± spreading, tangled, basifixed hairs up to 1 mm; teeth 3-4 mm. Petals white or yellowish; standard nar­rowly elliptic, 17-20 × ca. 4 mm, apex emarginate; wings 16-17 mm; keel 9-10 mm. Legumes widely ellipsoid (as seen from adaxial side), ca. 5 mm, ca. 2 mm high and ca. 4 mm wide, with a filiform beak ca. 2 mm; valves rather densely covered with subappressed, medifixed hairs.

● Steppes. Nei Mongol, Ningxia.