Plants 15-20 cm tall, loosely caespitose, subglabrous, partly with scattered very short hairs. Stems several, ascending or erect, slender. Leaves 8-10 cm; stipules 8-12 mm; petiole 1.5-2.5 cm; leaflets in 13-18 pairs, narrowly elliptic to elliptic, 8-12 × 3-6 mm, abaxially sometimes at main nerves appressed hairy, ciliate, apex subobtuse. Racemes (1-)5-12-flowered; peduncle (1-)4-4.5 cm, sparsely appressed white hairy or subglabrous; bracts persistent, membranous, narrowly ovate, 6-12 mm, sparsely black ciliate. Calyx 6-10 mm, between and at teeth shortly black ciliate; teeth 2-4 mm. Flowers unknown. Legumes with a stipe 5-11 mm, obliquely inflated ellipsoid, 10-20 mm, 6-12 mm high and 5-7 mm wide, subobtuse ventrally, narrowly grooved dorsally, with a slender beak 1.5-2 mm, 2-locular; valves thinly leathery, glabrous or nearly so.
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