Trees to 12 m tall. Current year branchlets slender, glabrous. Petiole 5-10 mm, glabrous; leaf blade narrowly oblong to oblanceolate, 8-13 × 2-3 cm, leathery, abaxially pale green, adaxially dark green and shiny, both surfaces glabrous, secondary veins obscure on both surfaces, base cuneate and decurrent, margin undulate-serrate, apex bluntly acute. Flowers solitary, ca. 4 cm in diam. Pedicel ca. 5 mm, pubescent; bracteoles 3, caducous. Sepals 5, orbicular to broadly ovate, 6-7 mm, outside velutinous. Petals 5, white, 2-2.5 cm, basally connate for ca. 3 mm. Stamens 8-10; filaments distinct, glabrous. Ovary tomentose, 5-loculed; style 8-10 mm, velutinous; stigma 5, slightly furcate. Capsule oblong-cylindric, 1.5-2.5 × 0.9-1.4 cm; columella 1.5-1.8 cm. Seeds together with wing ca. 1 cm, wing ca. 7 mm. Fl. Nov-Dec, fr. Oct.
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