Shrub, erect or spreading, to 2 m, sparsely appressed-pubescent except for the petals and stamens. Leaves 3-5 cm long including a terete petiole 3-8 (-15) mm long; leaflets in 10-13 pairs spaced 2-5 (-7) mm apart along the rachis, ovate, incurved at the margin, obtuse, 4-10 mm long, 2-4 mm wide; glands 1-2, between the lowest leaflet pairs, sessile, flat; stipules acicular, caducous. Inflorescence subumbellate, of 3-5 flowers, in upper axils; peduncle (4-) 8-13 mm long; pedicels 7-10 mm long; bracts subpersistent. Petals 7-10 mm long. Fertile stamens 10; filaments subequal, 0.5-2 mm long; anthers subequal, c. 3.5 mm long. Pod flat, 4-5 cm long, 1-1.5 cm wide, straight, entire. Seeds dull.