Astragalus lustricola Podlech & L.R.Xu

Plants 5-8 cm tall, acaulescent or nearly so, covered with ascending to spreading, bifurcate hairs. Stems, if present, very short, very densely tomentose. Leaves 7-9 cm; stipules 5-6 mm, free from petiole, sparsely to loosely furnished with medi­fixed to basifixed, subappressed to spreading hairs 0.8-1 mm; petiole 1.5-3 cm, like rachis densely covered with ± medifixed, partly flexuous, tangled, ascending to spreading, white hairs 0.5-0.8 mm and with much fewer, strongly to extremely asym­metrically bifurcate, straight, spreading hairs 1-1.5 mm; leaflets in 7-11 pairs, elliptic to obovate, 7-10 × 2-7 mm, both surfaces rather densely covered with ascending, straight or flexuous, ± medifixed hairs 1-1.5 mm. Racemes 6-10-flowered, with a pe­duncle hairy like rachis; bracts 5-6 mm, furnished with ± spreading white hairs up to 1.5 mm, with short black hairs mixed in, at margins with basifixed hairs. Calyx 15-16 mm, densely covered with flexuous, ± medifixed, subappressed to ascending, white hairs 0.8-1 mm and with strongly asymmetri­cally bifurcate, spreading, white hairs up to 2 mm, with some short, medifixed, black hairs mixed in; teeth 4-5 mm. Petals yellowish; standard obovate, ca. 20 × 8 mm, distinctly con­stricted in middle, apex emarginate; wings ca. 20 mm; keel ca. 17 mm. Legumes (unripe) ca. 15 mm, ca. 3 mm high, with a beak 3-4 mm; valves densely covered with subappressed, flex­uous, ± medifixed, white hairs ca. 0.5 mm and with strongly asymmetrically bifurcate, straight, spreading hairs 1.5-2 mm.