荒漠黄耆 huang mo huang qi

Astragalus alaschanensis H. C. Fu; A. dengkouensis H. C. Fu; A. scabrisetus Bongard var. multijugus Handel-Mazzetti.

Plants 10-15 cm tall, densely covered with ascending to ± spreading, ± symmetrically or asymmetrically bifurcate, only white hairs 0.5-1(-1.2) mm. Stems, if present, very short, densely villous. Leaves 9-17 cm; stipules 6-10 mm, adnate to petiole for 2-2.5 mm, densely hairy; petiole 3-7 cm, with rachis hairy like stem; leaflets in (6-)10-13 pairs, elliptic to obovate, 4-15 × 2.5-7 mm, abaxially densely to rather densely and adaxially loosely covered with subappressed to ascending or even spreading hairs. Racemes subsessile, few to 10-flowered; bracts 7-10 mm, hairy. Calyx 11-14 mm, densely villous; teeth 5-7 mm. Petals purplish, drying yellowish brown; standard obovate, 18-21 × ca. 7 mm, apex slightly emarginate; wings 16-18 mm; keel 14-16 mm. Legumes 8-10 mm, ca. 3 mm high and ca. 2 mm wide, with a subulate, straight or slightly curved beak 3-5 mm, incompletely 2-locular; valves densely covered with tangled, ascending, partly strongly asymmetrically bifur­cate, flexuous hairs up to 1.2 mm.

Gansu, Nei Mongol, Ningxia [Mongolia].