Tree up to 15 m high. Branchlets terete, glabrous. Stipules, stipular scars or stipular glands not seen. Leaves: rachis up to 50 cm, glabrous, glands obscure, circular, flat, slightly depressed in the central part, c. 1 mm in diameter; pinnae 1 or 2 pairs, 25-60 cm, glabrous to scarcely puberulous, glands similar to rachis-glands; petiolules 5-7 mm, glabrous; leaflets 3 or 4 pairs per pinna, opposite, coriaceous, drying grey-green above, brown-green beneath, ± equal-sided, broadly elliptic, (ob)ovate-elliptic to oblong-elliptic, 11-38 by 6-16 cm, base ± broadly cuneate, tapering into the petiolule, apex obtuse to obscurely acuminate, both surfaces glabrous, principal lateral veins 8 or 9 per leaflet-half, oblique, reticulation dense on both surfaces. Inflorescences cauliflorous, very thinly rusty puberulous, consisting of pedunculate umbels aggregated into shortly branched panicles, 4.5-12 cm; umbels of c. 4 or 5 flowers; floral bracts not seen, pedicels 1-4 mm, shortly rusty puberulous. Flowers pentamerous, male or bisexual. Calyx narrowly campanulate, 7-10 mm, shortly rusty puberulous; teeth irregular, rounded to 2 mm. Corolla funnel-shaped, 20-25 mm, glabrous in proximal part, distal part of tube and lobes densely rusty sericeous; lobes triangular oblong, acute, 5-8 mm. Stamens 50-70 mm, tube equalling the corolla-tube. Ovaries 3 or 4, glabrous. Pod green, pendent, sausage-shaped, straight or slightly curved, twisted and undulate near the apex, 14.5-50 by 4-8.5 by 3.5-4 cm, not or but slightly constricted between the seeds, coriaceous or woody, strongly striate or rugose, glabrous, veins inconspicuous, dehiscing along the dorsal suture. Seeds black with a distinct bloom, subglobose or subglobose-cylin-drical, c. 30-45 by 22-32 by 20-30 mm.