26. Astragalus lessertioides Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 24. 1868.
喜马拉雅黄耆 xi ma la ya huang qi
Astragalus levitubus H. T. Tsai & T. T. Yu.
Plants 10-30 cm tall, with soft hairs 0.5-1 mm. Stems several, slender, up to 2 mm thick, sparsely covered with ascending white hairs. Leaves 2-7 cm; stipules 6-15 mm, ciliate; petiole short, like rachis slender, glabrous or sparsely hairy; leaflets in 3-6(-8) pairs, elliptic, 4-11 × 2-6 mm, abaxially sparsely appressed white hairy at margin and especially at midvein, adaxially glabrous. Racemes densely 6-12-flowered; rachis densely black hairy; peduncle 1.5-16 cm, sparsely white hairy, toward top increasingly spreading black hairy; bracts whitish to greenish, linear-acute, 3-6 mm, black ciliate. Calyx campanulate, 4.5-7 mm, not gibbous at base, with truncate mouth, tube glabrous; teeth 1.5-3 mm, black hairy. Petals yellow or purple, often dark purplish brown when dry, all of same length; standard widely obtriangular to widely obovate, 11-12 × 6-8 mm. Legumes stipitate, narrowly ellipsoid, ca. 1.5 cm, very densely covered with appressed black hairs, acuminate at both ends.
Alpine meadows; 3500-4900 m. Qinghai, Sichuan, Xinjiang, Xizang, Yunnan [Bhutan, India, Nepal].