真毛膨果豆 zhen mao peng guo dou

Astragalus complanatus Bunge var. eutrichus Handel-Mazzetti, Symb. Sin. 7: 553. 1933; A. complanatus subsp. eutrichus (Handel-Mazzetti) Wenninger.

Plants 30-90(-100) cm tall, covered with always thin, slender hairs 0.1-0.4 mm. Stems at least in lower 1/2 with ± horizontally spreading, long lateral branches, glabrous in lower part, in upper part and lateral branches loosely appressed white hairy, in upper part with some black hairs mixed in. Leaves 2-9 cm, subsessile; stipules 2-5 mm, sparsely hairy or subglabrous; rachis loosely appressed white hairy; leaflets in 5-8 pairs, 4-8 × 2-5 mm, abaxially loosely hairy, adaxially toward margins sparsely hairy or subglabrous, apex emarginate. Racemes 2-5 cm, remotely 2-7-flowered; peduncle 2.5-6 cm, sparsely white and black hairy; bracts 1.5-2.5 mm, white and black hairy. Bracteoles sometimes present, ca. 1 mm. Calyx 5-6 mm, sparsely to very sparsely white and black hairy; teeth 2-2.5 mm. Petal color unknown; standard widely elliptic to orbicular, 12-13 × ca. 7.5 mm; wings ca. 9 mm; keel 11-12 mm. Leg­umes (unripe) with a stipe ca. 3 mm, narrowly ellipsoid, nar­rowed at both ends, straight, with a beak ca. 2 mm, when young densely covered with appressed white hairs 0.2-0.3 mm.

● 2400-3000 m. Yunnan.