Evergreen shrubs, 2-3 m tall. Petiole 5-12 mm; leaf blade narrowly elliptic, elliptic, or narrowly oblong, 9-15 × 3-5 cm, thinly papery or papery, base cuneate, apex acuminate or apiculate; secondary veins 5-8 pairs, curved. Cymes axillary or on branched axis, outspread, (1-)3-7-flowered; peduncle 5-8 mm, secondary peduncle 3-5 mm; pedicels 1-3 mm or sessile. Sepals 4, rarely 5, lateral ones smaller, nephroid-semiorbicular, margin irregularly serrulate; petals 5 or 6, broadly elliptic or obovate-orbicular. Disk inconspicuous. Stamens generally 6; filaments very short; anther rectangular, connective mucronulate. Ovary rectangular-ovate; style very short to even absent. Capsule broadly elliptic, 1.3-1.7 cm × 8-10 mm, apex rounded, mucronulate, valves slightly smooth. Fl. Jun-Oct, fr. Apr-Aug.