Trees, hermaphrodite, mostly glabrous. Twigs flattened. Leaves petiolate; lamina coriaceous, secondary venation obscure, reticulate venation present; bud scales present in leaf axes containing colleters or glandular hairs. Inflorescences terminal or axillary, solitary flowers, cyme or panicle, unbranched. Flower with perianth of distinct sepals and petals; sepals 4, petals 4, both contorted; stamens free or connate at base; anthers basifixed, dehiscing longitudinally; ovary subglobose or globose, stigma peltate. Fruit globose or obovoid, indehiscent, texture striate, 2-seeded.