140. Astragalus malcolmii Hemsley & H. Pearson, J. Linn. Soc., Bot. 35: 172. 1902.
短茎黄耆 duan jing huang qi
Plants small, 3-4 cm tall, acaulescent to subacaulescent, covered with ± spreading white and black hairs 0.1-0.5 mm. Stems, if present, up to 0.5 cm, loosely hairy. Leaves 1-2 cm, subsessile; stipules (2-)3 mm, very shortly adnate to petiole, often shortly connate before petiole, behind stem distinctly vaginate-connate, lower ones glabrous, upper ones sparsely to loosely black hairy; rachis hairy like stem; leaflets in 4-7 pairs, elliptic, 2-6 × 1.5-2.5 mm, mostly folded, abaxially loosely to densely spreading white hairy, often with some black hairs mixed in, some leaflets adaxially glabrous but most sparsely to loosely spreading hairy, apex obtuse. Racemes globose, 1-1.5 cm in diam., densely ca. 20-flowered; peduncle subterminal, 1-2.5 cm, loosely to rather densely covered with predominantly black hairs 0.2-0.5 mm; bracts whitish membranous, 2-3 mm, sparsely black hairy. Calyx campanulate, 3.5-4 mm, densely covered with ascending to spreading, tangled, predominantly black hairs 0.4-0.6 mm; teeth unequal, 1.5-2 mm. Petals mauve; standard suborbicular, 7-8 × 5-5.5 mm, emarginate; wings 5-5.5 mm, limbs obtriangular, widest below widely retuse tip; keel ca. 4.5 mm. Ovary with a stipe ca. 0.5 mm, ellipsoid, glabrous, 2-ovuled. Legumes unknown.
● Qinghai, Xizang, Yunnan.