Tree to 15 m high. Branchlets terete, slightly decurrently ridged from the leaf-scars, appressed puberulous or tomentose, glabrescent. Stipules subcordate-linear, c. 0.8 mm, caduous. Leaves: rachis 11-25 cm, golden-rusty puberulous; with a gland 0.8-1.2 cm above the base, bowl-shaped and sharply rimmed, 1.5-2.5 mm; pinnae (9—)11—12 pairs, 3-7.5 cm, golden-rusty puberulous; petiolule c. 0.5 mm; leaflets 13-17 pairs per pinna, opposite, thinly chartaceous or membranous, unequal-sided, oblong, 0.6-1 by 0.2-0.4 cm, base obliquely rounded, apex rounded, mucronulate; both surfaces densely appressed puberulous; main vein distant by c. ⅓ of the width of the leaflet from the front margins. Inflorescences composed of pedunculate glomerules aggregated into a yellowish tomentose panicle; peduncles paired or in clusters, c. 1.3 cm long, bearing glomerules consisting of c. 20 subsessile uniform flowers. Flowers bisexual, white, tetra-to pentamerous. Calyx cylindrical, densely appressed puberulous, 2-2.5 mm; teeth inconspicuous, deltoid, 0.1 mm. Corolla narrowly funnel-shaped, densely appressed puberulous, 7-8.5 mm; lobes oblong or ovate-oblong, acute, 1.5-2 mm. Stamens white, c. 15 mm, tube equalling the corolla to slightly exserted. Ovary c. 1.8 mm, glabrous, stipe c. 0.75 mm. Pod light brown, oblong, straight, with slightly sinuate margins, flat, chartaceous, 9-13.5 by 2-2.9 cm, dehiscing along both sutures and perhaps irregularly breaking as well, valves shortly puberulous at least when young, transverse veins prominulous over the seeds only. Seeds dark brown, broadly elliptic, flat, 8 by 6.2 by 0.5 mm; areole ovate-elliptic, 6 by 3 mm, pleurogram not parallel to the margin, open towards the hilum.
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