东天山黄耆 dong tian shan huang qi

Astragalus hypogaeus Ledebour var. borodinii (Krasnov) Krasnov; A. projecturus Sumnevicz.

Plants 3-10 cm tall, only white hairy. Leaves 2-5 cm; stip­ules 8-10 mm, adnate to petiole for 4-5 mm, sparsely covered with subappressed, subbasifixed to basifixed hairs and at mar­gins with spreading, basifixed cilia ca. 1 mm; petiole 1-3 cm, like rachis covered with ± medifixed, appressed hairs 0.8-1 mm; leaflets mostly in 2 pairs, obovate, 8-20 × 3-8 mm, both surfaces rather densely hairy like petiole. Racemes sessile, 2- or 3-flowered; bracts 10-12 × ca. 1.5 mm, densely hairy like stip­ules. Calyx 11-13 mm, densely covered with ascending to ± spreading, tangled, subbasifixed to basifixed hairs up to 2 mm; teeth 2.5-4 mm. Petals ?yellow; standard narrowly obovate, ca. 20 × 7 mm, apex slightly emarginate to rounded; wings ca. 15 mm, limbs rounded at apex; keel ca. 13 mm. Legumes 4-5 mm, 3-4.5 mm high, slightly compressed laterally, abruptly con­tracted into a beak ca. 1 mm, incompletely 2-locular to ± 1-locular; valves densely covered with subappressed hairs.

Xinjiang [Kazakhstan, Kyrgyzstan].