Evolvulus decumbens R. Brown, Prodr. 144. 1810; E. sinicus Miquel.

Leaves lanceolate to linear, 5-13 1.5-4 mm, ± appressed pilose, apex acute or acuminate. Basal leaves sometimes wider, apex ± obtuse. Fl. May-Jan, fr. Jun-Oct.

The whole plant is used medicinally. Grasslands; 100-1800 m. Fujian, Guangdong, Guangxi, Hainan, Hubei, Hunan, Jiangxi, Taiwan, Yunnan [Indonesia, Malaysia, New Guinea, Thailand, Vietnam; Australia, Pacific Islands]