Polygonum multiflorum Thunberg in Murray, Syst. Veg., ed. 14, 379. 1784; Aconogonon hypoleucum (Nakai ex Ohwi) Soják; Bilderdykia multiflora (Thunberg) Roberty & Vautier; Fagopyrum multiflorum (Thunberg) I. Grintzescu; Fallopia multiflora var. angulata (S. Y. Liu) H. J. Yan, Z. J. Fang & Shi Xiao Yu; F. multiflora var. hypoleuca (Nakai ex Ohwi) Yonekura & H. Ohashi; Helxine multiflora (Thunberg) Rafinesque; Pleuropterus cordatus (Thunberg) Turczaninow; P. multiflorus (Thunberg) Nakai; Polygonum hypoleucum Nakai ex Ohwi; P. multiflorum var. angulatum S. Y. Liu; P. multiflorum var. hypoleucum (Nakai ex Ohwi) T. S. Liu et al.; Reynoutria multiflora (Thunberg) Moldenke.

Leaf blade glabrous abaxially. Fl. Jul-Oct, fr. Aug-Nov.

One of us (Park) would prefer to treat Polygonum multiflorum var. angulatum and Fallopia multiflora var. hypoleuca as distinct varieties of F. multiflora.

Mountain slopes, rock crevices, thickets in valleys; 200-3000 m. Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hainan, ?Hebei, ?Heilongjiang, Hubei, Hunan, Jiangsu, Jiangxi, S Shaanxi, Shandong, Sichuan, Taiwan, Yunnan, Zhejiang [Japan].