Shrubs scandent. Branchlets brown, smooth; bark peeling off when old. Petiole 8-11 cm, adaxially canaliculate; leaf blade abaxially yellow-brown and adaxially dark brown when dry, elliptic, 14-19 × 8-12 cm, papery, abaxially pubescent along veins, glabrescent, adaxially glabrous, secondary veins 7 or 8 on both sides of midvein, sometimes 1- or 2-branched, base broadly cuneate, margin entire or apically sparsely serrulate, apex acuminate. Inflorescences corymbose, subglabrous in fruit, many flowered; branches spreading. Sterile flowers with expanded sepal 1, narrowly ovate, 3.2-4 × 1-1.9 cm. Fertile flowers unknown. Capsule obconical, 4-5 × 3-4 mm including style, apex truncate; persistent calyx teeth triangular, ca. 0.5 mm; persistent style and stigma ca. 1 mm. Seeds brown, slightly compressed, 2-2.5 mm including wings; apical wing broader than basal one, 0.5-1 mm. Fr. Nov.

* Moist forests in valleys, rock faces; ca. 600 m. NE Guangxi (Lingui Xian).