圆果甘草 yuan guo gan cao

Astragalus glanduliferus Debeaux.

Herbs, perennial. Roots and rhizomes slender. Stem 30-60 cm tall, densely yellow scaly glandular punctate, glabrous or sparsely pubescent. Leaves 5-15 cm, 9-13-foliolate; stipules lanceolate, 2-3 mm, sparsely white pubescent, glandular punc­tate; petiole densely scaly glandular punctate, sparsely pubes­cent; leaflets narrowly elliptic to oblong-obovate, densely scaly glandular punctate, base cuneate, margin serrulate, apex usually retuse. Racemes much flowered; rachis longer than leaves, densely scaly glandular punctate, sparsely pubescent; bracts lanceolate, membranous, glandular punctate, pubescent. Calyx campanulate, 2.5-3.5 mm, densely scaly glandular punctate, sparsely pubescent, 5-toothed; upper 2 teeth slightly joined. Co­rolla white, abaxially densely yellow glandular punctate; stan­dard ovate-oblong, 5-7 × 2.5-3.5 mm; wings 4-5 mm; keel straight, slightly shorter than wings. Legume brown, orbicular or broadly reniform, 5-10 × 4-7 mm, tuberculate, apex mucro­nate. Seeds 2, green, ca. 2 mm. Fl. May-Jul, fr. Jun-Sep.

Roadsides, wastelands; 100-1100 m. Hebei, Henan, Nei Mongol, Ningxia, Shaanxi, Shanxi, Xinjiang [Mongolia].