Description from Flora of China
Trees 6-15 m tall; branchlets and rachis of inflorescence rust-colored tomentose. Petiole 1.5-2.5 cm; leaf blade oblanceolate, 14-29 × 3-7 cm, ± leathery, base cuneate to attenuate and somewhat decurrent into petiole, abaxially glabrescent, adaxially pilose along midvein, margin dentiform serrate, apex acuminate to ± caudate; secondary veins 9-12 on each side of midvein. Inflorescences axillary, 8-17 cm; rachis ca. 1.5 mm in diam.; bracts of flower pairs lanceolate, 2(-3) mm; floral bracts lanceolate, 0.5-1 mm. Pedicels 3-4 mm, basally connate, pilose. Perianth yellowish, 1.1-1.2 cm, glabrous. Anthers ca. 2 mm. Hypogynous glands ellipsoid, basally ± connate. Ovary glabrous. Fruit dark green, ± globose, ca. 3 cm in diam., basally contracted into a short stipe, splitting tardily along distinct rib, apically apiculate; pericarp 1.5-2 mm thick, hard, leathery. Fl. Jul-Aug, fr. Oct-Apr.
* Montane forests; 1500-2100 m. S Yunnan.