Shrubs or small trees, 2.5-15 m tall. Branchlets slender, sparsely pubescent or glabrous. Petiole 3-7 mm; leaf blade oblong, narrowly oblong, or lanceolate, 5.5-19 × 2.2-7.5 cm, ± thickly papery to thinly leathery, sparsely pubescent or glabrous, midvein abaxially sometimes hispid and adaxially flat to slightly sunken, secondary veins 7-11 on each side of midvein, base cuneate, apex acute to shortly acuminate. Inflorescences axillary, cymose, 6-flowered or more, densely pubescent; peduncle 4-15 mm. Pedicel 0.9-1.2 cm, bracteolate near base. Sepals triangular to broadly ovate, 2-2.5 × ca. 2 mm, outside densely puberulent. Outer petals sepal-like, ovate, 3-4 × 3-4 mm, outside greenish white, slightly warty, and pubescent; inner petals 13-16 × 2-4 mm, slightly warty, sparsely hairy, basally clawed, limb strongly recurved and thickened. Stamens 9 in a single whorl or 12(or 14) in 2 whorls; connectives apically rounded. Carpels 9-18, sparsely hairy, glabrescent; ovules 2-6 per carpel; stigmas capitate. Fruiting pedicel 4-9 mm, 1.5-2 mm thick; monocarp stipes 6-10 × ca. 1 mm; monocarps ca. 10, globose, 1-1.3(-2) cm in diam., glabrous. Seeds 1 or 2 per monocarp.
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