Trees 5-15 m tall. Current year branchlets stout, glabrous or subglabrous; terminal buds purplish red, 1-1.5 cm, glabrous or white sericeous. Petiole purplish, (0.8-)1.5-2 cm, glabrous; leaf blade elliptic to oblong-elliptic, (9-)10-18(-22) × 3-6(-7) cm, leathery, abaxially pale green, adaxially dark green and shiny, both surfaces glabrous, midvein abaxially elevated and adaxially impressed, secondary veins obscure or slightly visible on both surfaces, base cuneate and decurrent, margin apically serrate to sometimes crenate-serrate, apex acuminate to sometimes bluntly acute. Flowers axillary and solitary, (5-)8-10 cm in diam. Pedicel ca. 3 mm, gray velutinous; bracteoles 5, caducous. Sepals 5, broadly ovate to suborbicular, 8-10 mm in diam., outside purplish brown but basally yellowish velutinous. Petals 5, white, broadly obovate, 3-5 cm, basally connate for ca. 3 mm, apex emarginate. Stamens 2-2.5 cm; filaments glabrous, basally adnate to petals. Ovary ovoid, white tomentose, 5-loculed; style 1.5-2 cm, white velutinous; stigma 5, slightly furcate. Capsule oblong-cylindric, (2.5-)3-3.5 × 1-1.5 cm, with ca. 5 seeds per locule; pedicel to 1 cm in fruit. Seeds together with wing 2-2.5 × ca. 0.5 cm. Fl. Aug-Nov, fr. Sep-Dec.
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