Trees, 60 m high, clear bole 3 m high, dbh 70 cm. Bark whitish, inner bark pale yellow, 0.7 cm; sapwood white. Indumentum ferrugineous tomen-tellous. Twigs 2-3 mm in diam., striate, silvery-grey, with many small lenticels, soon glabrous. Leaves (1-) 2-or 3-jugate; petiole 1-6.5 cm long, pulvinate; rachis 1-10.5 cm long; petiole and rachis semiterete, striate, short patently hairy; petiolules reduced to pulvinus, 1-4 mm long, semi-terete, short-hairy. Leaflets ± elliptic, 9.5-20 by 2-6 cm, index 2.9-3.6, chartaceous, above and below glabrous, midrib and nerves sparsely to densely short-hairy; base slightly oblique, (broadly) cuneate; apex acuminate, very apex rounded; midrib prominent above, nerves 9-12 per side, 8-28 mm apart, angle to midrib 60-65°. Inflorescences together pseudoterminal, 6-14 cm long; cymes several-flowered; bracts and bracteoles acicular, 0.6-12 by 0.1-0.4 mm, outside and inside hairy; pedicels 1.5-2.5 mm long, articulated near the base, angular, hairy. Flower buds about globular, 1.7 by 1.9 mm. Flowers yellowish to green; male ones somewhat smaller than the female ones. Sepals triangular to spathulate, not imbricate, thinned towards the margin especially apically, slightly unequal, 1.7-2.6 by 1.2-1.6 mm, apex rounded to retuse, outside and inside appressed-hairy, ciliate. Petals cuneate to spathulate, distinctly clawed, 1.4-2.4 by 1.2-1.6 mm, ciliate, claw 0.4-0.7 mm long, hairy on both surfaces, auricles ciliate. Disc entire, annular or saucer-shaped. Filaments of stamens 1.5 mm long, anthers 0.4 mm long; in female flowers filaments 1.2-1.6 mm long, anthers 0.5-0.6 mm long. Ovary outside hairy, inside glabrous; style 1 mm long, stigma ± capitate, 3-lobed; pistillode 3 by 1.9 mm. Fruits prismatoid, sharply deltoid in cross section, 6-7 by 2.5-5 cm; wall thin, coriaceous, outside striate, densely velutinous, inside glabrous. Seeds prismatoid, 33 by 14 mm.