Shrubs or trees, evergreen. Twigs glabrous. Buds often superimposed, with 2–4 imbricate scales. Leaf petiole often reddish when young; leaf blade leathery, margin entire. Inflorescences axillary, paniculate or racemose. Pedicel short. Flowers small, 5-merous. Corolla campanulate or urceolate to tubular. Stamens much shorter than corolla; filaments geniculate, swollen near base, lacking appendages; anthers ± ovoid, dehiscing by introrse-terminal elliptic pores. Ovary superior, with many ovules per locule. Capsule depressed-globose, thick-walled, loculicidal. Seeds large; testa unilaterally winged.