Description from Flora of China
Trees to 30 m tall, d.b.h. 30-40 cm, evergreen. Branchlets dark brown, tubercular when young, wrinkled with age, thick, pale red to rust-colored pubescent when young, glabrescent, with scattered lenticels. Petiole 2-3 cm; leaf blade elliptic to oblong-elliptic, ca. 20 × 9-10 cm, leathery, abaxially dark gray, densely pubescent, and tuberculate on midvein and secondary veins, adaxially dark green, shiny, and glabrous, base broadly cuneate to ± cordate, margin entire or shallowly crenate, apex caudate with a 5-10 mm cauda; midvein adaxially slightly impressed, midvein and secondary veins abaxially prominent, secondary veins 11-13 on each side of midvein and curved, tertiary veins numerous, parallel, and with gray pubescence. Inflorescences axillary, solitary. Female inflorescences pale red to reddish yellow, ± globose, 3-3.5 cm in diam., tubercular, densely pubescent; peduncle 2.5-3 cm, thick.
* Evergreen forests; 1300-1400 m. NW Yunnan (Gongshan).