Description from Flora of China
Shrubs or small trees. Juvenile branchlets purple, densely downy, glabrescent. Stipules semicordate, glandular serrate, both surfaces pilose; petiole 2-3 mm, densely downy, on shoots glandular at apex; leaf blade elliptic or elliptic-lanceolate, 2.5-4 × 1.5-2 cm, abaxially grayish white, densely appressed villous, adaxially pilose, more densely so when young, or both surfaces densely grayish white or brownish pubescent, base broadly cuneate to rounded or shallowly cordate, sparsely serrate or rarely subentire, apex obtuse-rounded or acute, usually apiculate. Male catkin ca. 5 cm × 4 mm, loosely flowered; peduncle ca. 1 cm, with 3-5 leaflets; rachis grayish white downy; bracts ovate or obovate, ca. 1/3 as long as stamens, base of both surfaces downy and ciliate, apex acute or slightly obtuse. Male flower: adaxial gland shortly conical, abaxial gland 3-lobed or not, ca. 1/3 as long as bracts; stamens 3-6; filaments pubescent at base; anthers yellow, ovoid. Female catkin ca. 4 cm, to 6.5 cm in fruit; peduncle with 3-5(or 6) leaflets; rachis densely pubescent; bracts as in male catkin, ca. as long as stipe. Female flower: adaxial gland 3-lobed or not, ca. 1/3 as long as bracts; ovary narrowly ovoid, glabrous, long stipitate; style short; stigma 2-lobed. Fl. Apr, fr. May.
* Near streams. Fujian, N Guangdong, Jiangxi, Zhejiang.