Description from
Flora of China
Convolvulus sibiricus Linnaeus, Mant. Pl. 2: 203. 1771; Ipomoea sibirica (Linnaeus) Persoon.
Corolla pink. Capsule subglobose, apex rounded. Seeds 3-4 mm, glabrous.
Roadsides, fields, grassy or shrubby mountain slopes; 600-2800 m. Anhui, Gansu, NW Guangxi, Guizhou, Hebei, Hunan, Jiangsu, Jilin, Shaanxi, Shandong, Shanxi, Sichuan, Yunnan, Zhejiang [Mongolia, NE Russia].
