Trees to 12 m tall. Branches grayish black, glabrous. Petiole 3-7 mm, with transverse striations; leaf blade oblong to oblong-lanceolate, 10-17 × 2.5-5 cm, membranous, both surfaces glabrous and densely verrucate, midvein abaxially elevated and adaxially flat, secondary veins 15-18 on each side of midvein, delicate, and prominent on both surfaces, base broadly cuneate to obtuse, apex acuminate. Inflorescences axillary, 1-or 2-flowered. Pedicel 5-s7 mm; bracteoles at middle and base, ovate to semiorbicular. Sepals orbicular to broadly ovate, apex rounded. Petals yellowish, linear-lanceolate, ca. 13 × 2-3 mm, membranous, glabrous; outer petals larger than inner petals. Stamens numerous; connectives slightly convex. Carpels 10-15, oblong, glabrous; ovary with 2 basal ovules; stigma ovoid. Fruiting pedicel 5-7 × ca. 3 mm; monocarp stipes 5-8 mm, verrucate; monocarps ovoid, 2-2.5 × 1-1.5 cm, glabrous. Seed 1 per monocarp, yellowish, ovoid, 18-20 × 8-11 mm. Fr. Apr-Jul.
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