• Scientific Name: Calystegia hederacea Wall.
• Ref: W.Roxburgh, Fl. Ind. 2:94. 1824
• Synonym: Convolvulus wallichianus Spreng.
• English Common Name: Japanese false bindweed
• Chinese Common Name: 打碗花 dǎwǎn∙huā, 小旋花 xiǎo∙xuánhuā
• Japanese Common Name: コヒルガオ [小昼顔] kohirugao
• Family: Convolvulaceae
• Genus: Calystegia
• Distribution: Fields, wasteland, roadsides, river banks, often on sandy soils; 100-3500 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xinjiang, Yunnan, Zhejiang [Afghanistan, India, Japan, Korea, Malaysia, Mongolia, Myanmar, Nepal, Pakistan, Russia, Tajikistan; NE Africa, rarely introduced in North America]

Plants glabrous. Stems erect when young, later shoots prostrate or twining, to 1 m. Petiole 1--5 cm; leaf blade sagittate, triangular to narrowly triangular, 2--8 X 2--7 cm including lobes; lobes abruptly spreading, with 2(or 3) acute angles, sinus with divergent sides. Lower peduncles exceeding leaves, upper peduncles shorter; bracteoles ± ovate, 0.7--1.4(--1.8) cm X (4--)6--10(--12) mm, flat, apex acute to ± obtuse. Corolla pale pink or occasionally whitish or purplish, 2--3.5 cm. Stamens 1.1--1.6(--1.9) cm; anthers 3--4 mm. Fl. Mar-Sep, fr. Jun-Sep. 2n = 22, 30. (Flora of China)