Description from Flora of China
Small trees, 2-8 m tall. Branchlets terete, pubescent. Petiole 6-15 mm, hairy; leaf blade oblanceolate or elliptic-oblanceolate, 9-19(-21) × 2-4 cm, blackish when dry, leathery, abaxially gray-brown pubescent, adaxially glabrous or hairy along midrib, midrib, lateral veins, and veinlets elevated abaxially, impressed into small canals adaxially, lateral veins 10-13 pairs, curved, anastomosing at margin, base cuneate, apex acuminate. Cymose panicles slender, 13-18 cm; peduncle 10-12 cm, sparsely pubescent, much branched at top, each branch with persistent bracts at base. Flowers small, ca. 2.5 mm. Perianth lobes ovate-triangular, glabrous or puberulent outside, canescent villous inside. Filaments of 1st and 2nd series glabrate, those of 3rd series with subsessile glands at base. Ovary subovoid; style slender; stigma dish-shaped. Fl. Jun, fr. Sep.
● Limestone hills, mixed forests by streamsides, rare; 700-1000 m. NW Guangxi, SW Guizhou.