Shrub, treelet or tree to 16 m high. Branchlets terete, grey-brown, dotted by brown lenticels, puberulous in the ultimate parts, glabrescent. Leaves: rachis (4.5-)6.5-19 cm, petiole 4.5-15 cm; glands on rachis and pinna circular, elliptic, linear, or slitlike; pinnae (1 or) 2 or 3 pairs, (3.5-)4-17 cm long, petiolules 2(-4) mm long, leaflets 2-5 pairs per pinna, opposite, chartaceous to subcoriaceous, drying brown, usually unequal-sided, ovate-elliptic to trapezoid or lanceolate, distal pairs sometimes spathulate, (1.9-)2.5-15 by (0.9-)1.3-6.7 cm, base cuneate, apex acuminate, main vein central or subcentral; principal lateral veins c. 4-7 per leaflet-half, arching upwards; reticulation prominulous above, prominent beneath. Inflorescences either clustered at the old leaf-scars or axillary at the leaves, puberulous, consisting of pedunculate glomerules aggregated into narrow panicles; panicle (3-) 10-35 cm; glomerules composed of c. 3 sessile or subsessile flowers; floral bract narrowly ovate-acute, c. 1 mm long, puberulous. Calyx light green, cup-shaped, (l-)1.2-1.6(-2) mm long; teeth 5, deltoid, 0.2 mm long. Corolla greenish white to white, funnel-shaped, 4.2-5.2 (-6) mm long, glabrous, lobes 5, ovate to elliptic, acute, 1.8-2.2 mm long. Stamens white or cream, to c. 15 mm long, tube exceeding the corolla-tube. Ovary solitary, glabrous. Pod light yellow outside, orange within, curved into a semi-or full circle, flattened, with slightly undulate margins, coriaceous, c. 11-20 cm long, 1.2-2(-2.5) cm wide, glabrous, slightly swollen over the seeds, with inconspicuous veins, dehiscing first along the ventral suture. Seeds black, glossy, ellipsoid, compressed, c. 8 by 4 mm.
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A shrub or tree. It grows up to 16 m tall. The leaves are twice divided. The smallest leaflets are in 1-3 pairs. The leaflets have 2-5 pairs on each smaller leaflet. They are sword shaped and 2-15 cm long by 1-7 cm wide. They can be smooth or softly hairy. There are glands present. The flowers are in panicles up to 35 cm long. The flowers are in groups of 3 without stalks and they are funnel shaped. They are white to green. They have 5 lobes. The fruit is a pod. It is 11-20 cm long by 1-2 cm wide. It is curved into a half circle. The pods are light yellow outside and orange inside. The seeds are flattened and shiny black. They are 8 mm long by 4 mm wide. At least 3 different varieties occur.