Trees 10-18 m tall, evergreen. Current year branchlets pubescent. Petiole 1.4-2 cm, pubescent when young, wings 2-3 mm wide; leaf blade long ovate, 8-12 × 3-4.5 cm, thickly leathery, abaxially pale green and appressed pubescent when young but glabrescent, adaxially dark green and glabrous, secondary veins 12-14 on each side of midvein, base slightly cordate, margin serrate, apex abruptly acute. Flowers 2 or 3 in a short raceme. Pedicel 5-7 mm, pubescent; bracteoles caducous, broadly ovate, 2-3 mm. Sepals suborbicular, 6-8 × 5-7 mm, outside pubescent, basally slightly connate, apex rounded. Petals yellowish white, obovate, 1.2-1.5 × 0.8-1 cm, outside white sericeous. Stamens 8-10 mm; filaments basally connate. Ovary conic; style very short. Capsule shortly conic, 1.5-1.6 cm in diam. Fl. May-Jun, fr. Nov.