Tree to 30 m high. Shoots and branchlets pubescent or puberulous. Leaves: petiole 4, as Polyalthia australis9 mm long; lamina ovate, narrowly ovate, elliptic or lanceolate, 5–19 cm long, 2–7 cm wide, acute, obtuse or decurrent at base, acuminate or acute at apex, glabrous above, glabrous below except for appressed hairs on main veins; secondary veins 5–10 pairs. Inflorescence axis ramal or axillary, bearing 1–6 flowers. Pedicel 1–3 cm long, puberulous; bract ovate, 1.2–1.4 mm long. Calyx hemispheric or obconic, 3-lobed, sparsely puberulous; lobes reflexed, 0.5 mm long, obtuse. Petals mostly flat, puberulous, cream-yellow; outer petals oblong, 20–30 mm long, 3.7–5 mm wide; inner petals narrowly elliptic, 30–65 mm long, 7–11 mm wide. Stamens c. 50–60, 0.8-1 mm long. Carpels 17–23; ovary 0.7 mm long, glabrous; style and stigma 0.8 mm long; stigma puberulous. Apocarps subglobular, 4–4.5 cm long, 4–4.5 cm wide, orange-yellow; stipe 1.8–2.2 cm long. Seed testa shallowly rugose.
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