Tree up to 35 m. tall; trunk up to 2 m. diam., with plank-buttresses at base; bark pale; ultimate branchlets tetragonous, sparsely hairy. Lvs coriac. on petioles up to 1 cm. long; lamina dark green and glossy above, paler below, 4-8 × 2.5-5 cm., elliptic to elliptic-obovate, coarsely bluntly serrate. Racemes axillary, up to 3 cm. long, pedicels softly hairy. Fls ± 6 mm. across; ♂ 5-6-partite to near base, stamens ± 12; ♀ urceolate, contracted above, segs spreading, carpels ∞.Achenes ± 5 mm. long, fusiform; styles up to 2 cm. long, densely clad in long silky hairs.