Plants up to 100 cm tall, furnished with white and black hairs up to 0.5 mm. Stem erect, branched, sparsely covered with appressed to ascending white and some black hairs, those of lateral branches often with rather dense and to spreading white hairs. Leaves 8-12 cm, subsessile; stipules greenish, 3-5 mm, free, reflexed, white ciliate; rachis sparsely to loosely covered with spreading white or at base predominantly black hairs 0.2-0.3 mm; leaflets in 8-11 pairs, in lateral branches in fewer pairs, narrowly elliptic to elliptic, 10-16 × 3.5-7 mm, abaxially loosely, in young leaves also rather densely, covered with appressed to ascending white hairs 0.5-0.8 mm, adaxially glabrous or sparsely white hairy, apex subacute to obtuse. Racemes shortly cylindric, rather densely many flowered; peduncle 3-7 cm, loosely covered with nearly spreading white hairs; bracts membranous, linear, 2-3 mm, white hairy. Calyx ca. 5 mm, sparsely to loosely subappressed white hairy; teeth 2-2.5 mm. Petals white greenish or white; standard obovate, 9-11 × ca. 5 mm, apex obtuse; wings 7-8 mm; keel 8-10 mm, limbs 5-5.5 × 2.2-2.5 mm. Legumes (unripe) nodding, with a stipe ca. 3 mm, white hairy.
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