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Trees, to 16 m tall; bark gray. Branchlets densely yellowish brown stellate puberulent. Petiole 4-4.5 cm, hairy; leaf blade orbicular or obovate-orbicular, 6-11.5 × 6-11.5 cm, sometimes wider than long, thinly leathery, abaxial surface yellowish brown puberulent along veins and midrib, adaxial surface densely yellowish brown puberulent, lateral veins 5-6 on each side of midrib, base truncate or rounded, with 2-3 teeth on upper margin, apex rounded or truncate with acumen. Inflorescence flat-topped, 5-8 cm, dense. Pedicels ca. 6 mm, pubescent. Calyx funnel-shaped, ca. 10 mm, abaxially densely softly brown pubescent, 3-lobed, lobes broadly triangular, ca. 1.5 mm. Petals white, spatulate clawed, apex rounded. Androgynophore ca. 2.5 cm; anther head ca. 2 mm in diam. Ovary ovoid, ca. 1.5 mm, pubescent; style short, inconspicuous; stigmas small, globose. Capsule obovoid-oblong, 5-angular, 3-4 cm, apex rounded, yellowish puberulent or gray scaly. Seeds ca. 2.5 cm including wing, wing brown. Fl. May.

● Mountains; ca. 1000 m. Guangdong, S Guangxi (Shiwan Dashan).