Tree to 15 m high, 20 cm in diameter. Branchlets terete, brownish, scarcely puberulous, glabrescent. Leaves: petiole (3-)12.5 cm, puberulous, gland nest-shaped with the upper part of the gland bent over the cavity as a lid, c. 4 mm high, 4 mm wide; pinnae 1 pair, (3.5—)11—15 cm; petiolules 6-9 mm, puberulous; leaflets 1V2-3 pairs per pinna, opposite, lower leaflet sometimes unpaired, chartaceous, drying greenish with yellowish-brown veins, unequal-sided, obliquely subcordate or ovate-elliptic, 11-27 by 7-16.5 cm, base rounded, apex abruptly acuminate, both surfaces glabrous or the major veins puberulous beneath; principal lateral veins c. 9 per leaflet-half, non-parallel, arching, prominent on both surfaces. Inflorescences terminal, rusty tomentose, glabrescent, consisting of pedunculate glomerules aggregated into panicles 9.5-25 cm long; glomerules composed of 4 sub-sessile flowers; pedicels 0.5-1 mm; floral bracts ovate, acute, 0.75 mm, hairy. Flowers pentamerous, male or bisexual. Calyx cup-shaped, 2-3 mm, sericeous; teeth irregular, triangular-deltoid, dentate, 0.3-1 mm. Corolla funnel-shaped, 6-7.5 mm, tube glabrous in the proximal part, sericeous in the distal part; lobes elliptic, acute, 2.5-2.6 mm, sericeous. Stamens white, tube shorter than the corolla-tube. Ovary solitary, puberulous. Pod and seeds unknown.
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