Small tree, c. 4 m high, dbh c. 10 cm. Branchlets slightly rough, (reddish) brown; flowering twigs 4-5 mm thick. Leaves 4-jugate, sometimes with a terminal leaflet; petiole 6-8 cm long, terete to flattened above, smooth, glabrous; rachis 13-19 cm long, terete to flattened above, very slightly winged below the jugae, smooth, glabrous; petiolules 0.5-1.2 cm long, flattened, glabrous; pulvinus 2-4 mm long, grooved, glabrous. Leaflets sub-opposite to alternate, ovate to elliptic, 7-19.5 by 3-6.5 cm, index 2.3-3.1, (thin) pergamentaceous, both sides glabrous; base usually symmetric to slightly oblique, attenuate; margin (slightly) recurved; apex not abruptly narrowing, acuminate, sometimes acute; midrib slightly prominent, angular, lateral nerves 0.5-1.5 apart, almost perpendicular to the midrib towards the base, marginally distinctly looped, intercalated veins not distinctly curved towards the base, veins very densely reticulate, on upper surface slightly raised. Inflorescences axillary, thyrsoid, branching at the base, to 7 cm long, laxly puberulous; copiously flowering; bracts and bracteoles 0.5-1 mm long; pedicels 1-2 mm long. Flowers only seen in bud. Sepals: both sides glabrous, margin laxly ciliate, outer ones broadly elliptic, inner ones orbicular. Petals broadly cvate, outside glabrous, inside pilose; claw distinct; margins coarsely lobed, thickened and recurved towards the base, pilose; apex rounded; scales absent. Disc glabrous. Stamens 7 or 8; filaments velutinous; anthers puberulous. Ovary 2-locular, sericeous; style and stigma very immature. Fruits not observed.
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