Tree 9-13.5 m high, bole up to 10.5 m high, d.b.h. up to 40 cm. Branchlets terete, slightly angular in the distal parts, glabrous. Stipules linear-filiform, acute, c. 7 mm, caducous. Leaves: rachis 3-5 cm, conspicuously winged, wings 3-6 cm, wide, glabrous, gland raised, cylindrical, flat, c. 1 mm in diameter; pinnae 1 pair, 5-17 cm, wings up to 1.4 cm wide, glands ± raised, domed, cylindrical, c. 0.5 mm in diameter; leaflets 1-3 pairs per pinna, sessile, opposite, chartaceous, drying brown, unequal-sided, ovate, ovate-elliptic, or oblong-elliptic, 6.3-18 by 3.7-8.5 cm, base obliquely subcordate, apex shortly bluntly acuminate, both surfaces glabrous principal lateral veins 5 or 6 per leaflet-half, rather oblique; reticulation inconspicuous above, prominent beneath. Inflorescences terminal, glabrous, consisting of simple or once-branched pedunculate umbels or corymbs; corymbs or umbels consisting of up to 10 flowers, pedicels 4-5 mm, glabrous, floral bracts not seen. Flowers pentamerous, bisexual. Calyx green, cup-shaped, truncate, 3 mm, glabrous. Corolla greenish cream, subcampanulate, 9-12.5 mm, golden sericeous especially on the lobes; lobes triangular-ovate or ovate-lanceolate, acute, 5-7 mm. Stamens white, 15-17 mm, tube equalling the corolla-tube. Ovaries c. 15, sessile, glabrous. Pod not completely known, reddish, curved into a circle, only slightly sinuate along the dorsal suture, woody, rugulose outside, glabrous, mode of dehiscence not known, seeds in separate compartments, segments 1.5 by 1.8 cm. Seeds not known.
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