Prostrate slender shrub up to ± 5 dm. long; branchlets 1-(2) mm. wide, striate, compressed, ± pilose. Lvs 1-5-folioliate, pilose, narrowly obcordate-cuneate. Infl. of densely 3-7-fld racemes on pilose peduncles. Fls ± 4 × 5 mm., on pubescent pedicels hardly 1 mm. long. Calyx ± 1 × 1 mm., glab.; teeth minute. Standard purple towards base, purple-veined; keel yellowish, purplish at apex, auricles pointed; wings whitish, auricles pointed. Ovary glab. Pods ± 3 × 2 mm., narrowly obliquely ovate-oblong, subturgid, brownish; beak rather slender, curved. Seeds (1)-2, pale brown, ± heavily black-mottled.