Perennial herb, root stock woody. Rhizome present, branches spreading flexuous, covered with persistent stipules; stipules leaf opposed, united at the base, pilose. Leaf c. 1.5-2.0 cm, petiole c. 6-8 mm long; leaflets 10-18, sessile, c. 2-4 mm long, c. 1-1.5 mm broad, elliptic, entire, acute, densely pilose on both sides. Flowers in peduncled heads; peduncle c. 1.8-3.5 cm; bracts c. 1.5-2.5 mm; pedicel c. 1-1.5 mm long. Calyx 5 mm, covered with black and white, long spreading hairs, teeth c. 2 mm. Vexillum c. 9 mm long; wing c. 8 mm long, keel c. 6-7 mm long (including the mucro). Fruit not seen. Boissier (l.c.) describes it as “sub-sessile, oblong, turgid, with white and black hairs”.