Herbs. Stems terete, twining or prostrate, with dense deflexed long tawny hairs. Leaves pinnately 3-foliolate; stipules narrowly triangular, 3-4 mm, striate, densely tawny hairy; petiole 2-4.5 mm; stipels linear-subulate; petiolules 2-4 mm; leaflets papery, both surfaces with rather appressed hairs; terminal leaflet lanceolate to ovate, 3-6 cm; lateral leaflets slightly oblique, lanceolate to narrowly ovate. Raceme usually 2 or more times as long as petiole. Flowers 6-7 mm; pedicels ca. 1 mm; bracteoles subulate to lanceolate, 1.5-2 mm, densely pilose. Calyx campanulate; lobes longer than tubes. Corolla pink; standard orbicular, 8-8.5 × 7.5-8 mm, apex emarginate; wings narrowly obovate, 7-8 × 2.5-3 mm, ± constricted at middle; keels distinctly shorter than wings, elliptic, 5.5-6 × ca. 2 mm. Ovary subsessile, linear, pubescent. Legume linear, compressed, straight, usually 20-30 mm, with long spreading hairs, brown when mature. Seeds 5-9.
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