Astragalus cupulicalycinus S.B.Ho & Y.C.Ho

Plants 7-10 cm tall, subacaulescent, covered with ap­pressed to subappressed, medifixed, white hairs 0.5-1 mm. Stems short, 1-2 cm, very densely hairy. Leaves 5-7 cm; stip­ules 4-9 mm, adnate to petiole for 3-4 mm, distinctly to high vaginate-connate behind stem, sparsely to loosely hairy; petiole 2-4 cm, like rachis densely hairy; leaflets in 1 or 2 pairs, 10-25 × 4-8 mm, both surfaces densely to rather densely or adaxially only loosely hairy. Racemes rather densely 5-8-flowered; pe­duncle 4-8 cm, hairy like stem; bracts ca. 2 mm, hairy. Calyx widely campanulate, 7-10 mm, rather densely hairy, base slightly inflated ovoid, urn-shaped; teeth ca. 2 mm. Petals red­dish purple; standard obovate, 15-20 × 6-7 mm, below mid­dle slightly constricted, apex emarginate; wings 13-15 mm; keel 11-13 mm. Legumes sessile, ca. 12 mm, ca. 3 mm high and ca. 5 mm wide, apex subacute; valves rather densely hairy.