Description from Flora of China
Shrubs scandent, 4-7 m tall; axial parts ± densely rust-colored pubescent. Branches terete, subglabrous; branchlets indistinctly angulate, ca. 2 mm in diam. Petiole 3-9 mm; leaf blade oblong-lanceolate, 5-9 X 2-4 cm, papery, glabrous, base cuneate, apex acuminate; lateral veins 3 or 4 pairs, prominent abaxially. Inflorescences terminal, paniculate, loose, 5-24 cm, many flowered. Sepals obovate or circular, ca. 3 mm, densely yellow-orange velutinous abaxially. Corolla white, ca. 8 mm; lobules oblong-obovate, margin ± entire or undulate, midpetaline bands rust-colored woolly. Stamens ca. 2.5 mm; filaments dilated basally; anthers ovoid, apex acuminate. Ovary ellipsoid. Stigma conical, with ridges. Fruit brown, ellipsoid, 1.3-1.5 X 1-1.2 cm. Fl. Jul-Dec, fr. Mar-Apr.
* Forests, thickets, stream banks, dry and sandy soils; 400-600 m. Guangdong, Hainan.