Astragalus medius Schrenk in Bull. Phys.-Math. Acad. Petersb. 2:196. 1844. Ali in Kew Bull.28(2):301.1973.
Stem erect, pilose, hairs white and black. Leaf paripinnately or imparipinnately compound, petiole c. 3-4 mm long, rachis c. 1.8-3.7 cm long; leaflets 6-11, c. 8-17 mm long, c. 1.5-3 mm broad, linear to sickle-shaped, acute, uniformly pubescent, hairs white; petiolule less than 1 mm long; stipule c. 3 mm long, lateral. Inflorescence 6-7-flowered, pedunculate raceme, peduncle c. 12-13 cm long, pubescent, hairs black and white. Bracts c. 3-4.5 mm long, velvety, hairs mostly black. Pedicel c. 2-3 mm long, pilose. Calyx c. 17-19 mm long, densely pubescent, hairs spreading, black and white, teeth c. 4-5 mm long. Corolla buff yellow with pink tip. Vexillum c. 21-26 mm long. Wing c. 21-25 mm long. Keel c. 17-21 mm long. Fruit c. 10-18 mm long, c. 4-5 mm broad, partly bilocular densely pubescent, hairs stiff, white.
Type: Described from Mt. Ulutan and from Kara-Kingir River and Ters-Akkan (LE-not seen).
Distribution: Pakistan (N.W.F. Province); Russia (Western Siberia; Upper Tobol, Irtysh, Central Asia, Aralo Caspia, Balkash).