Tree to 20 m. All young parts densely fulvous tomentose. Leafy twigs 6–9 mm diam. Leaves to 50 cm, pseudogemmulate; petiole 5–8 cm. Leaflets in up to 8 pairs, to 22 by 10 cm, elliptic, coriaceous, glabrous adaxially save (usually) on venation, abaxially ± tawny pubescent, apex abruptly and shortly acuminate, acumen 6–8 mm, costae c. 13 on each side, arcuate, prominent adaxially, tertiary venation conspicuous; petiolules c. 1 cm long, velutinous-fulvous. Inflorescences on supra-axillary branches to 90 cm long, with reduced caducous leaves, the whole resembling a supra-axillary thyrse, each to 25 cm long, not or sparsely branched with congested cymules of flowers; bracts lanceolate. Calyx to 3 mm long, cupular, pubescent without, glabrous within, margin ± 4-lobed. Petals 4,11–14 by 2.5 mm, linear-oblong, adpressed pubescent without, glabrous within, drying blackish, alternative to imbricate. Staminal tube glabrous except for a few hairs in notches of lobes without and towards base within, margin 7-or 8-crenulate or-lobed; anthers 6–8, oblong-elliptic, locellate, glabrous, included. Disk c. 1 mm tall, cylindrical, glabrous. Ovary apparently 2-locular; style filiform, papillose, pubescent in proximal half; stylehead subglobular, glabrous with an equatorial papillose band. Capsule to 3 cm long, 2.5 cm diam., rusty tomentose; valves 3 or 4. Seeds 1 or 2, c. 15 mm long, apparently arillate.