Evergreen trees. Leaves subopposite or alternate, or clustered at apex of branchlet, pinninerved. Panicle axillary, pedunculate, bracteate or ebracteate; bracts and bracteoles subulate, minute, caducous. Flowers minute, bisexual, pedicellate, 2-merous. Perianth tube obconical; perianth lobes 4(or 5 or 6), broadly ovate-triangular or transversely oblong, small; perianth wholly deciduous. Fertile stamens 4(or 5 or 6), antitepalous, always exserted, hairy and glandular; filaments short; anthers broadly ovate, dilated, 2-celled or fused into 1 cell; cells introrse. Staminodes 4, minute, linear or lanceolate, densely hairy, enveloping ovary in an arc when in bud. Ovary ovoid-conical, glabrous, attenuate at apex into a style; stigma small. Fruit large, turbinate or oblate or globose; peduncle and pedicel indistinctive when in fruit, all thickened after anthesis.