Shrubs or trees, 3-10 m tall. Young branches brown, glabrous; current year branchlets pubescent. Leaves congregated at branchlet apices; petiole 3.3-6 mm, pubescent; leaf blade oblong-elliptic to oblong, 5-10 × 1.5-3 cm, leathery, abaxially pale green and pubescent when young but glabrescent, adaxially dark green and glabrous, secondary veins 7-9 on each side of midvein and raised on both surfaces, base narrowly cuneate to attenuate, margin basal 1/3 entire and apical 2/3 crenately serrulate, apex acuminate. Flowers alternate, solitary, ca. 1.5 cm in diam. Pedicel 4-5 mm, pubescent; bracteoles close to sepals, caducous, small. Sepals 5, persistent, ovate-orbicular, ca. 4 mm, outside puberulent, apex rounded. Petals 5, pale yellow, broadly obovate, ca. 7 × 6 mm, outside farinose-puberulent, basally slightly connate. Stamens 22-24, in 2 whorls, outer whorl slightly longer, 4-5 mm, glabrous; anthers ellipsoid. Ovary conic, basally pubescent, 5-loculed; style short, apically 5-lobed. Capsule oblate, 5-6 × 8-10 mm; pericarp splitting into 5 valves; columella persistent, ca. 5 mm. Seeds brown, reniform, ca. 4 × 1.5 mm, wingless or with a very narrow apical wing. Fl. May-Jun, fr. Sep. 2n = 30*.
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