Plants 40-60 cm tall. Stem erect, up to 4 mm in diam., sparsely covered with white hairs ca. 0.3 mm or subglabrous. Leaves 6-12 cm; stipules 7-16 mm, free, glabrous; petiole 1-1.5 cm; leaflets in 9-16 pairs, narrowly elliptic to elliptic, 6-20 × 2.5-7 mm, abaxially at margin and at midvein sparsely hairy, adaxially glabrous, apex rounded. Racemes ca. 2.5 cm, 10-25-flowered; peduncle 3-4 cm; bracts membranous, narrowly elliptic, 4-5 × ca. 2 mm, sparsely hairy. Calyx 4-6 mm, glabrous or between and at teeth shortly black ciliate; teeth unequal, 1.5-3 mm. Petals greenish yellow; standard widely rhombic-obovate, ca. 11 × 7 mm, deeply incised; wings ca. 9 mm; keel ca. 8.5 mm. Legumes with a stipe 3-4 mm, obliquely ellipsoid, somewhat curved, ca. 12 mm, ca. 5 mm high and ca. 4 mm wide, incompletely 2-locular; valves thin, glabrous.
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