Shrubs 1-4 m tall. Branchlets slender, sparsely stellate-pubescent and villous when young, becoming glabrous, brown. Leaves alternate, sometimes subopposite; stipules oblong, 6-7 mm, deciduous; petiole 10-17 cm; leaf blade triangular-ovate to broadly ovate, 10-25 × 8-21 cm, membranous, both surfaces sparsely villous and yellow glandular-scaly, brownish when dry, base rounded, rarely cordate, narrowly or broadly peltate, with 2-4 basal glands, margin denticulate, undivided or 1-3-lobate, apex long acuminate; basal veins 5-9, lateral veins 4 or 5 pairs. Inflorescences terminal, not or few branched, 10-32 cm, sparsely villous or glabrescent; bracts lanceolate, 3-10 mm. Male flowers 3-11-fascicled; pedicel 5-10 mm; calyx lobes 4 or 5, ovate, ca. 2 mm, glabrous; stamens 40-50. Female flowers: pedicel 1.5-3.5 cm, slender; sepals 4 or 5, lanceolate, 2-3 mm, glabrous; ovary softly spiny and glandular-scaly; styles 3, ca. 4 mm, base connate, plumose. Capsule 3-locular, ca. 10 mm in diam., densely yellowish glandular-scaly and sparsely shortly softly spiny, 2-3 mm. Seeds ovoid, 4-5 mm, dull brown. Fl. Jun-Jul, fr. Jul-Sep.
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