*Medium-sized tree up to 25(–35) m tall; bole straight, up to 55(–100) cm in diameter; bark surface smooth, transversely striate, pale brown-grey; crown with relatively short branches.
*Leaves opposite, clustered at ends of branches, simple, leaves of a pair unequal; stipules absent; petiole usually absent, sometimes up to 2 cm long; blade narrowly obovate to obovate-oblong, 20–70(–120) cm × 8–35(–50) cm, base cuneate to rounded, apex rounded or nearly acute, margins entire or minutely toothed, papery, glabrous, pinnately veined with 8–17 pairs of secondary veins. *Inflorescence an erect terminal cyme 15–45 cm long, glabrous; peduncle up to 25 cm long; bracts broadly ovate to deltoid, 4–8 mm long, leathery.
*Flowers bisexual, regular, fragrant; pedicel 4–10 mm long; sepals 4, free, orbicular, 0.5–1 cm long, fleshy to leathery; corolla tube 2.5–3(–4) cm long, lobes 10–13(–16), oblong to lanceolate, 1.5–2 cm long, recurved, fleshy, greenish outside, creamy white inside; stamens alternating with corolla lobes, inserted at mouth of corolla, joined at base into a short ring; ovary superior, ovoid to narrowly ovoid, 7–9 mm long, style 2.5–4 cm long, stigma almost globose, 2–3 mm in diameter.
*Fruit an ovoid to ellipsoid fleshy berry 3–4 cm × 1.5–2.5 cm, green, pointed to rounded at apex, slightly rough, many-seeded.