Description from Flora of China
Evergreen trees. Leaves opposite, subopposite, or rarely spirally arranged; stipules small and early deciduous with conspicuous scars on petiole, sometimes subpersistent; leaf blade almost leathery. Flowers small, solitary or clustered on axillary racemes or panicles; bracts small, triangular. Sepals 5, rounded, imbricate. Corolla broadly campanulate; lobes 5, ovate. Stamens 5, inserted on corolla tube and opposite lobes; staminodes 5, subulate to triangular, inserted in throat and alternating with corolla lobes. Ovary 1- or 2-locular, glabrous. Style short; stigma 2-lobed. Fruit a drupe, ellipsoid; pericarp very thin and mealy; 1- or 2-seeded. Seed scar small, rounded.
About eight or nine species: India, Indonesia, Malaysia, Philippiness, Vietnam; four species in China.