Dioecious tree up to 12 m tall; bark grey and not peeling; young branchlets shallowly fluted, obtuse, glabrous. Leaves pinnate, 3-5-jugate, glabrous, green; petiole 30-90 mm long; leaflets narrowly elliptic to elliptic; petiolules 2-5 mm long; margins crenate-serrate to coarsely crenate-serrate, apex acute, base cuneate to rounded, terminal leaflet up to 120 x 50 mm, lateral leaflets up to 130 x 50 mm. Inflorescence: axillary, paniculate, simple or dichasial cymes. Flowers unisexual, perigynous. Pedicel less than 1 mm long, pedicel and calyx glabrous. Disc 4-lobed, adnate to hypanthium. Stamens 8. Fruit subglobose, ±20 x 19 x 18 mm, glabrous; putamen smooth; pseudo-aril red, cupular with 1 very short facial lobe, covering lower third of putamen.