Description from Flora of China
Shrubs, 1-3 m tall; branchlets terete; young branches slender, tetragonous, inner sides puberulent. Petiole 1-3 mm, puberulent; leaf blade oblong-lanceolate or narrowly lanceolate, 3-7 × (0.8-)1-2 cm or 2-3.5(-4) × 0.5-0.7 cm, thinly leathery or leathery, adaxially puberulent along midrib, base cuneate, margin revolute, apex acute, acuminate, or obtuse, with retuse or mucronulate tip; midrib elevated on both surfaces, lateral veins and veinlets visible on both surfaces or adaxially more distinct. Inflorescences axillary, ca. 5 mm initially, peduncle very short or elongate, after male flower deciduous, rachis becoming clavate, pubescent; bracts ovate, ca. 2 mm, acute, pubescent. Male flowers ca. 10; pedicels 1-1.5 mm, pubescent; tepals ovate, 2-2.5 mm, glabrous; sterile pistil tetragonous, less than 1 mm high. Female flowers: tepals ovate or ovate-elliptic, ca. 3 mm, margin scarious; ovary ca. 1.5 mm; style 2.5-3 mm or 3.5-4 mm, recurved or circinate; stigma narrowly oblanceolate, decurrent to middle-lower part of style. Capsule subglobose, 8-10 mm or 5-5.5 mm; persistent style ca. 3 mm or 4-5 mm; carpopodium 5-10 mm; bracts many, persistent.
Forests, forests on slopes, along mountain streams, riverbanks; 200-2000 m. NW Guangxi, S and SW Guizhou, Hainan, Hunan, Sichuan, E Yunnan [Vietnam].