Shrubs or small trees. Branchlets densely gray tomen-tose. Leaves 3-7-foliolate; central leaflet distinctly petiolulate. Calyx campanulate, 5-dentate, gray tomentose. Corolla 2-lipped, 5-lobed, outside puberulent. Stamens exserted. Ovary subglabrous.

Fiber, medicinal.

100-3200 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Japan; E Africa, S and SE Asia, Pacific Islands]