Trees or shrubs, 5--20 m tall, glabrous. Branchlets brown or gray. Petiole robust, 2--7 cm; leaf blade broadly ovate, rhombic-ovate, rhombic-obovate, elliptic, or oblanceolate, 5--12 × 2.5--7 cm, leathery, base cuneate to broadly cuneate, margin basally entire and apically crenate, apex acuminate to cuspidate; secondary veins 5--7 on each side of midvein. Inflorescences to 13 cm, 10--30-flowered. Floral subtending bracts linear, 1--2.5 cm. Flowers 1--2 cm in diam. Pedicel 1.5--3.5 cm. Stamens 4.5--5 mm; filaments slender; anthers yellow, oblong, apex short apiculate, each theca dehiscent by two narrow valves. Gynoecium 5--7 mm in diam. Ovary with nectary on dorsal surface. Styles ventrally canaliculate, apically stigmatic. Fruit dark gray, 7--10 mm in diam. Seeds black, spindle-shaped, 3--3.5 mm. Fl. May--Jun, fr. Oct--Nov. 2n = 40.
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