Trees. Branchlets and buds glabrous. Petiole 3-5 cm, glabrous; leaf blade ovate-orbicular, 5-8 × 5-7 cm, abaxially hairy only in axils of veins, adaxially glabrous, lateral veins 6-7 pairs, base cordate or shallowly cordate, margin serrulate, teeth 2-3 mm, apex acute. Cymes (20-)40-100-flowered, 6-13 cm, glabrous. Bracts on 1-2 cm stalk, oblanceolate, 5-9 × 0.8-1.5 cm, glabrous, base obliquely cuneate, apex obtuse; bracteoles 3-4-verticillate at bases of pedicels, present at each branching of inflorescence, ovate-lanceolate or elliptic-lanceolate, 0.3-3 × 0.2-1 cm, densely brown stellate tomentose. Pedicel 3-7 mm. Sepals narrowly ovate, 4-5 mm, abaxially stellate hairy, adaxially sparsely stellate at apex and densely villous at base. Petals obovate, 4-5 mm, glabrous. Staminodes shorter than petals. Ovary ovoid, prominently 5-angled; style short. Fruit subglobose, minutely 5-angled, ca. 5 mm in diam., thickly leathery, fragile, densely brown puberulent, indehiscent.