Shrubs or small trees, glabrous, hairy or scaly. Leaves alternate, rarely opposite or whorled, entire or toothed, sometimes resinous, sessile or with a petiole-like base. Inflorescences 1–8-flowered. Flowers zygomorphic, rarely c. actinomorphic; sepals (4–)5, free, fused at base or rarely fused into a tube, equal or unequal, imbricate or valvate, often enlarging after anthesis; corolla weakly or strongly 2-lipped, tube often curved; upper lip of 2 or 4 lobes, lower lip of 1 or 3 lobes; stamens usually 4, included or exserted, anthers reniform or sagittate; ovary 2- or 4-celled, ovules usually 1–3 per cell, style curved or hooked at apex. Fruit dry or drupaceous, woody or rarely crustaceous, smooth, ribbed or rarely winged.
205 species, all from Australia, 1 species extending to New Zealand.