Shrubs or small trees; young branches glabrous, older growth drying gray-brown, minutely lenticellate; buds narrowly ovoid, 1–1.5 cm, glabrous. Petiole 10–20 mm, glabrous; leaf blade ovate-rounded or obovate-rounded, 5–12 × 4–8 cm, abaxially drying gray-white, glabrescent, adaxially drying green, sparsely villous along veins, base asymmetrical, cordate, margin serrate, teeth mucronate, apex acute; lateral veins 8 or 9 on each side, the 2 lowermost with tertiary veins. Inflorescence terminal on shoots, 4–5 cm, 5–7 cm in fruit; peduncle 1–2 cm, with 1 or 2 basal leaves. Floral cup glabrous. Sepals shorter than floral cup, apex rounded. Petals oblanceolate, 3–4 × 1.5–1.7 mm. Disk scales 2-lobed, apex obtuse. Ovary glabrous; styles 2–3 mm. Capsules 6–7 mm, glabrous. Seeds narrowly ovoid, 4–5 mm. Fl. Apr–Jun, fr. Jun–Aug.
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