Single-stemmed shrub or small tree with terminal crown, up to 5 m high. Branchlets and stipules not seen. Leaves: rachis up to 50 cm, minutely puberulous, glands bowl-shaped, with strongly raised margins, 3-5 mm in diameter; pinnae 1-4 pairs, 15-50 cm, minutely puberulous, glands bowl-shaped, c. 3 mm in diameter; leaflets 2-5 pairs per pinna, chartaceous, drying bright green or pale yellowish green, ± equal-sided, ovate-elliptic or elliptic, (8-) 13-22 by 5.5-13 cm, base broadly cuneate, apex narrowly acuminate, both surfaces glabrous except for the minutely puberulous major veins; principal lateral veins 4 or 5 per leaflet-half, very oblique, arching, reticulation delicate on both surfaces. Inflorescences cauliflorous, glabrous, consisting of densely clustered unbranched racemes, 3-6 cm; floral bracts eglandular, linear, glabrous, c. 7 mm; pedicels 3-7 mm. Flowers pentamerous, bisexual. Calyx pale green, narrowly campanulate, inflated, strongly net-veined, 20-32 mm, glabrous, lobes irregular, triangular, c. 17 mm. Corolla greenish brown, campanulate, (23-)35 mm, glabrous; lobes oblong, acute, c. 17 mm. Stamens c. 50 mm; tube shorter than the corolla. Ovaries 3 or 4, glabrous. Pod and seeds not known.
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