Trees or shrubs. Leaves simple or compound, opposite or apparently whorled, often thick; stipules interpetiolar (Fig. 29) and often enclosing the apex. Flowers bisexual, regular. Floral tube sometimes present. Sepals 4–6, sometimes basally connate. Petals 4–6 or absent. Stamens 8–12. Ovary superior or inferior, 2–4-locular; placentas axile. Fruit a capsule nut or drupaceous. 26 gen., mostly trop. to warm temp.