Astragalus nankotaizanensis Sasaki

Plants perennial, 9-10 cm tall, with only white hairs. Cau­dex with long subterranean, branched stolons. Stems several, 2-3 cm, ascending, in lower part furnished with minute globose hairs, in upper part loosely to rather densely covered with appressed white hairs 0.2-0.4 mm. Leaves 4-7 cm; stipules 3-5 mm, clasping stem but not connate, ciliate; petiole 1.5-2.5 cm, like rachis appressed hairy; leaflets in 6-8 pairs, elliptic, 7-12 × 3-6 mm, abaxially loosely covered with appressed hairs 0.4-0.7 mm, adaxially glabrous or sparsely hairy, apex rounded. Ra­cemes subumbellate, 2-5-flowered; peduncle 4-6 cm, ap­pressed hairy; bracts 1-1.5 mm, hairy. Calyx ca. 5 mm, loosely covered with appressed hairs 0.4-0.7 mm; teeth 1.5-2 mm. Petals bright yellow; standard elliptic, 12-12.5 × ca. 6 mm, apex emarginate; wings 11-13 mm; keel ca. 15 mm. Legumes (unripe) with a stipe ca. 2 mm, slightly upcurved, ca. 13 mm, ca. 1.5 mm high, with a slender beak 3-4 mm; valves rather densely covered with subappressed hairs 0.4-0.5 mm.