Tree up to 10 m. tall or more; trunk up to 2 dm. diam.; branchlets, petioles, peduncles and pedicels ± pilose-pubescent when young. Lvs 6-16 × 1-4 cm., on petioles up to 2 cm. long; lamina coriac., dark green above, lanceolate to elliptic or oblanceolate, acute to subacute, coarsely bluntly serrate. Panicles 5-10-fld; pedicels articulated; fls 2.5-3·5 cm. across. Sepals broad-ovate, downy, c. 5-6 mm. long, petals white, obovate-spathulate, clawed, 1·5-2 cm. long; stamens exserted. Capsules 1-1·5 cm. diam.; styles 1·5 cm. long; seeds c. 5 mm. long, glossy.

2n = 50