Tree to 7 m. Branchlets ± densely hirsute-villous, leafy ones c. 1 cm diam. Leaves c. 1 m long, at least 15-jugate; petiole 7–15 cm, ± villous. Leaflets 9–18 by 4–6 cm, oblong to oblanceolate or oblong-ovate, ± pilose abaxially and sometimes on veins adaxially, bases acute to obtuse, ± asymmetric, apices narrowly acute, costae c. 10–16 on each side, arcuate, prominent abaxially in sicco; petiolules 5–10 mm, ± pilose. Thyrse spiciform, to 1 m or more long, (to 280 cm in fruit) supra-axillary, the flowers on short branches or in fascicles forming a head in distal 40 cm; axis c. 5 mm diam., ± pilose. Flowers subsessile. Calyx c. 5 mm long, 4 mm diam., cylindrical cupulate, densely villous without, margin truncate. Petals 4 or 5, 10–15 by 2–3 mm, the innermost narrowest, ligulate, narrowly imbricate, adpressed pubescent without. Staminal tube subcoriaceous, ± with a sparse region of hairs outside near apex, glabrous within, margin truncate; anthers 8 or 9 (10), linear inserted c. 2 mm within throat, included, basifixed. Ovary densely villous; style glabrous apically; stylehead clavate-capitate. Capsule c. 5 cm diam., warty, ± pubescent, recurved 4-valved, the valves woody, recurved, shortly and abruptly stipitate, apex weakly beaked. Seeds 4, c. 2.5 cm long, orange-segment-shaped.