Trees to 6 m tall. Branchlets grayish brown, reticulately striate brown tomentose or glabrous. Petiole 3-4(-8) mm; leaf blade oblanceolate to broadly oblanceolate, 4-18(-26) × 1.5-8(-10) cm, papery, more densely pubescent on veins but sometimes glabrous, secondary veins 12-15 on each side of midvein, base cuneate to rounded, apex obtuse to bluntly acuminate. Inflorescences axillary at leafless nodes, 2-6-flowered; peduncle 1-2 mm; bracts 1 or 2, broadly ovate, 1.5-2 × 1.5-2 mm. Pedicel (1-)2-3 cm, pendulous; bracteoles 1 or 2 at base of pedicel and 1 below middle, similar to bracts, persistent. Sepals triangular to broadly lanceolate, ca. 2 mm, outside pubescent. Petals pale purple; outer petals similar to sepals, ca. 3.5 × 0.7-1 mm, pubescent; inner petals broadly lanceolate to oblong, ca. 2 × 1.3 cm, outside pubescent, inside puberulent and basally concave. Stamens 14-16, in 2 series, ca. 1.5 mm; connectives apically shortly cuspidate. Carpels many, ellipsoid to ovoid, sparsely white pubescent; ovule 1 per carpel; stigmas terete, glabrous. Fruiting peduncle ca. 2 mm, thicker than long; monocarp stipes 0.7-1.4 cm; monocarps 8-14, drying blackish, subglobose to ellipsoid-ovoid, 7-9 × ca. 5 mm, glabrous; epicarp tuberculate, glabrous. Seed 1 per monocarp. Fl. Apr-Sep, fr. Jun-Feb.