Evergreen shrubs to small trees, 3-12 m tall; branches gray-black to gray-brown, terete, sturdy, twigs greenish, sometimes with 4 striae. Petiole ca. 5 mm, sturdy; leaf blade thickly leathery, obovate-elliptic or oblong-lanceolate, 7-11 × 2.5-5 cm, base attenuate or acuminate, margin large denticulate, apex acute or acuminate; lateral veins 7-9 pairs, slightly curving forward and dividing into veinlets before reaching margin. Peduncle 2-3.5 cm, 1 or 2 × dichotomously branched, several flowered; pedicel 15-20 mm. Flowers 4-merous, ca. 1 cm in diam.; sepals semiorbicular; petals greenish yellow, orbicular or oblong. Capsule tetra-globose, usually with 4 right angles, pinkish or reddish when fresh, brown or yellow-brown to red-brown when dry, 1.5-1.8 × 1.2-1.5 cm. Seeds ovoid, dark brown; aril orange. Fl. Apr-Jul, fr. Aug-Nov.