Shrub up to 2 m. tall, us. less; branches spreading; branchlets rather stout, plano-convex to subterete, finely grooved, pubescent at apex when young, 1-2-(3) mm. diam. Lvs 1-3-5-foliolate; lflts 1-3 mm. long, obcordate. Racemes 1-3 per notch, laxly to rather closely 3-8-fld, on pubescent peduncles up to 10 mm. long. Fls ± 5 × 4 mm., on pedicels 1-2 mm. long. Calyx c. 2 × 2 mm., pubescent; teeth minute, acute. Standard dark purple, purple-veined; wings whitish, enclosing keel, auricles bluntly pointed; keel whitish, auricles rounded. Ovary glab. Pods obliquely elliptic-oblong, (6)-7-10 × 3-4 mm., ± turgid, pale to dark brown (occ. pods are ± curved); beak ± 1 mm. long. Seeds (3)-4-8, yellowish, ± black-mottled, c. 2 mm. diam.