线耳膨果豆 xian er peng guo dou

Astragalus lineariaurifer P. C. Li, Acta Bot. Yunnan. 11: 292. 1989.

Plants 20-30 cm tall, with subappressed to spreading hairs 0.3-1 mm. Stems erect, often curved, loosely to rather densely covered with ascending to ± spreading mostly white hairs. Leaves 3-5 cm, subsessile; stipules 4-7 mm, loosely white hairy, at base also black hairy; rachis loosely covered with sub­appressed to spreading white and scattered black hairs; leaflets in 5 or 6 pairs, 8-20 × 2-5 mm, both surfaces loosely to rather densely subappressed hairy. Racemes loosely 4-6-flowered; pe­duncle 4-5 cm, loosely covered with ± spreading, mostly black hairs; bracts 8-10 mm, black hairy. Bracteoles ca. 2 mm. Calyx 7-8 mm, loosely to rather densely covered with ascending to ± spreading white and black hairs; teeth 4-5 mm. Petals ?bluish; standard widely ovate to suborbicular, 12-13 × 10-11 mm; wings 10.5-11 mm; keel 12-13 mm. Legumes (immature) with a stipe ca. 3 mm, narrowly ellipsoid, ca. 10 mm, 1-locular, densely covered with subappressed to ascending white hairs.

● Sichuan.