Perennial undershrub, root woody. Stem erect c. 20-80 cm. Leaf imparipinnately compound, petiole c. 3-10-(25) mm long, sericeous, rachis (excluding petiole) c. 2-5-(18) mm long, sericeous; leaflets c. 3-5, c. 7-25 mm long, c. 2-4 mm broad, elliptic, entire, acute, appressly pubescent on both sides, petiolule less than 1 mm long; stipules membranous, amplexicaul; rachis often becomes spiny. Inflorescence an axillary or terminal pedunculate raceme, peduncle c. 1-4-(8) cm long, sericeous, bract c. 1.5 mm long, pubescent; pedicel c. 1.0 mm long, pubescent. Calyx c. 8 mm long, pubescent, teeth c. 1.5-2.0 mm long. Corolla pink to magenta. Vexillum c. 11-13 mm long. Fruit c. 5-9 mm long, covered with white spreading hairs; stipe less than 1 mm.