Erect stout shrub, closely and divaricately branched, up to c. 2.5 m. tall. Branchlets dark green, grooved, slightly compressed, glab., 1-2 mm. diam. Lvs 1-3-foliolate, pilose, ± 3 × 2 mm. Infl. of 1-3 subumbellate, shortly peduncled racemes with 3-5 fls. Fls ± 5 × 4 mm., on very short ± pubescent pedicels. Calyx c. 2 × 1 mm., ± pubescent, campanulate; teeth minute, triangular; standard purple-veined, purple-flushed, except towards white apex, auricles rounded; keel whitish, slightly purple-flushed, auricles rounded; wings whitish, purple-veined, auricles pointed. Ovary pilose. Pods c. 7-8 × 3 mm., obliquely elliptic-oblong, slightly compressed, dark brown; beak short, stout, subulate. Seeds 2-(3), pale yellow-green, black-mottled.