Astragalus leucocephalus Bunge
Chinese: 白序黄耆, 白花黄芪, bai xu huang qi
Description: Stem caespitose, ascending c. 7-20 cm, densely tomentose. Leaves imparipinnately compound, c. 2.5-11 cm long, leaflets 21-41, c. 3-7 mm long, oblong, entire, obtuse or subacute, densely pubescent, hairs white, spreading; stipules foliaceous, adnate below the middle. Inflorescence pedunculate compact raceme; peduncle c. 5-15 cm long, white tomentose. Bracts lanceolate. Pedicel less than 1 mm long. Calyx c. 4-5 mm long, pubescent, hairs white, spreading. Corolla pale yellow. Vexillum c. 6-8 mm long. Keel shorter than vexillum and wing. Fruit c. 4-5 mm long, sessile, finely pubescent, unilocular, 3-4-seeded.
Phytochemical investigation of the whole plant of Astragalus leucocephalus
Rao, Y. Jayaprakash; Reddy, Ch Ramakrishna; Gangadhar, N.; et al.
INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY Volume: 48 Issue: 9 Pages: 1329-1332 Published: SEP 2009