类线叶黄耆 lei xian ye huang qi

Astragalus caudiculosus Komarov; A. ui-eilakensis F. Ghahremaninejad.

Plants 3-12 cm tall, acaulescent or nearly so, caespitose. Stems, if present, up to 2(-4) cm, prostrate to ascending, branched, with numerous, short, non-flowering off-shoots and few-flowering stems, densely covered with symmetrically or asymmetrically bifurcate, subappressed, white hairs 0.7-1 mm. Leaves 1-4 cm; stipules 1.5-3 mm, adnate to petiole for 0.5-1 mm, vaginate-connate behind stem to middle or higher up, rather densely hairy; petiole 0.5-2 cm, with very slender rachis hairy like stem; leaflets in 2-6 pairs, 3-10 × 0.5-1.5 mm, both surfaces densely hairy, with incurved margins or partly folded. Racemes 2-4 cm, loosely 4-12-flowered; peduncle 2.5-13 cm, slender, densely to rather densely white hairy like stem; bracts 1-1.5 mm, white and black hairy. Calyx campanulate, 4-6 mm, rather densely covered with symmetrically or asymmetrically bifurcate, appressed, white and black hairs 0.5-0.9 mm; teeth 2-3 mm. Petals purple; standard orbicular, 7-10 × 5-8 mm, apex emarginate; wings 6-8 mm; keel 6-7.5 mm. Legumes curved, 10-15 mm; valves densely covered with subappressed to ascending, strongly asymmetrically bifurcate to subbasifixed, white hairs ca. 1 mm.

● 2400-3700 m. S Xinjiang (Kunlun Shan).