土丁桂 (原变种) tu ding gui (yuan bian zhong)

Convolvulus alsinoides Linnaeus, Sp. Pl. 1: 157. 1753; Evolvulus chinensis Choisy; E. pudicus Hance ex Walpers.

Leaves oblong, elliptic, or spatulate, 0.7-2.5 cm 5-10 mm, ± densely appressed pilose or adaxially subglabrous, apex obtuse to emarginate, mucronulate. Fl. and fr. year round.

Common weed, sandy soil, dry slopes, cultivated areas, grasslands, thickets, roadsides; 800-1800 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Qinghai, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Bangladesh, Cambodia, India, Indonesia, Japan (Ryukyu Islands), Laos, Malaysia, Myanmar, Nepal, Pakistan, Philippines, Thailand, Vietnam; Africa].