Erect perennial, c. 45-60 cm; branches puberulous to pilose and glandular punctate. Stipules free lateral, c. 3 mm long, pilose and glandular. Leaf pinnately compound; rachis (including petiole) c. 8-14.5 cm long, pilose and glandular; petiole c. 8-29 mm long; leaflets 13-17, lateral leaflets opposite, petiolule c. 1.5-3.0 mm long, lamina c. 16-42 mm long, c. 8-18 mm broad, broadly elliptic to obovate, entire, obtuse, puberulous, sparingly punctate above and densely punctate below. Inflorescence an axillary pedunculate raceme, peduncle c. 3-6 cm long, puberulous to tomentose and punctate. Bract c. 4-6 mm long, pubescent and punctate, cadu¬cous. Calyx c. 7-8 mm long, puberulous to tomentose and punctate, teeth c. 4.5-5.0 mm long. Corolla mauve. Vexillum c. 13-14 mm long. Wing c. 11-12 mm long. Keel c. 10-10.5 mm long. Fruit c. 6-7 mm broad, falcate or coiled, covered with dark brown hard tubercles, 5-8-seeded.
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