Tree to 30 m high. Branchlets terete, brownish, distal parts densely puberulous by brown hairs. Stipules and stipular glands not seen. Leaves: rachis 9-17 cm, puberulous, gland ± circular to transversely elliptic, flat, sessile, 1-2 mm in diameter; pinnae 1 or 2 pairs, 8.5-19.5 cm, puberulous, glands subcircular, flat, sessile, 1-2 mm in diameter; petiolules 2-4 mm, puberulous; leaflets 3 or 4 pairs per pinna, opposite, rigidly chartaceous, drying brownish, often unequal-sided, ovate, elliptic, or obovate-elliptic, (3.5-)9-15 by 3.5-8.5 cm, base truncate or cuneate basiscopically, rounded or subcordate acroscopically, apex obscurely acuminate, upper surface with a few scattered hairs on the main veins, lower surface with puberulous veins or glabrous (or with a few scattered hairs only); principal lateral veins 5 or 6 per leaflet-half, arching, non-parallel; reticulation dense, prominent on both surfaces. Inflorescences terminal, densely puberulous, consisting of pedunculate glomerules aggregated into panicles to 40 by 40 cm; glomerules consisting of 6-8 sessile flowers; floral bracts triangular-ovate, 0.5 by 1 mm, puberulous. Flowers pentamerous, bisexual. Calyx olive-brown, narrowly campanulate, 2.5-3.5 mm, densely puberulous; teeth broadly triangular, acute, c. 0.2 mm. Corolla pale-green, funnel-shaped, 6-9 mm, sericeous; lobes oblong, acute, 2-2.5 mm. Stamens white, up to 20 mm, tube equalling the corolla-tube. Ovary solitary, pilose, subsessile. Pod orange outside, reddish inside, curved into a semi-circle or a circle, up to 10 cm long and 1.5 cm wide, fleshy, tomentose, strongly bullate over the seeds, lobed along the dorsal suture, veins inconspicuous, dehiscing first along the dorsal suture. Seeds black, ovate-ellipsoid, c. 12 by 4 mm.
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