Plants 60-70 cm tall. Stem in upper part white and black hairy. Leaves 5-9 cm, subsessile; stipules 4-10 mm, narrowly triangular, white ciliate; rachis white hairy; leaflets in 5-9 pairs, narrowly ovate to narrowly elliptic, 11-23 × 3-8 mm, both surfaces appressed white hairy. Racemes loosely 9-19-flowered; peduncle 6-10 cm; bracts linear-acute, 2-5 mm, glabrous or white ciliate. Calyx campanulate, ca. 6 mm, white and black hairy; teeth narrowly triangular, ca. 1 mm. Petals yellow with purple-tipped standard or keel or all purplish; standard obovate ca. 12 × 5 mm; wings ca. 11 mm; keel ca. 11 mm. Ovary with a stipe ca. 1.5 mm, loosely black and white hairy; style with shortly hairy stigma. Legumes with a stipe 2.5-3 mm, narrowly obliquely ellipsoid, 3-3.8 cm, 8-9 mm high, inflated; valves membranous, loosely white and black hairy.