Ovary sessile (rudimentary in male flowers), 1-locular, multiovulate; ovules pendulous from c. 7 parietal placentas; style terminal; stigmas as many as the placentas, short, spreading.
Flowers solitary, male or bisexual, cymose or subumbellate in the upper leaf-axils or terminal on the branchlets, usually rather large and showy, sweet-scented.
Calyx of 3–4, very concave, free or almost free imbricate sepals, glabrous or variously pubescent, often with sessile resinous glands.
Fruit a tough woody capsule splitting into c. 8 longitudinal rather thick valves; style persistent as a hard, woody apical point.
Stamens numerous; filaments free; anthers linear, dehiscing longitudinally from above.
Leaves petiolate, entire or undulate; stipules small, very caducous.
Petals white, 7–14, free, narrowed to the base, imbricate.
Seeds numerous, ellipsoid, sometimes with a resinous aril.
Small or moderately large shrubs; branches unarmed.