Persicaria perfoliata (L.) H.Gross

Polygonum perfoliatum, Davidson, C 12475--Georgia Caucasus). Guria Region. Japana. 9 Jun 2014. DSC08097 (23).JPG

By Christopher Davidson

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Native to Amur, Assam, Bangladesh, China North-Central, China South-Central, China Southeast, East Himalaya, Hainan, India, Inner Mongolia, Japan, Jawa, Khabarovsk, Korea, Malaya, Manchuria, Nansei-shoto, Nepal, New Guinea, Philippines, Primorye, Sakhalin, Taiwan, Thailand, Transcaucasus, Türkiye, Vietnam, West Himalaya; introduced into Connecticut, Delaware, District of Columbia, Germany, Kentucky, Maryland, Mississippi, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, Rhode I., Virginia, West Virginia; presence uncertain in Tibet (source: POWO). Flora of the World documents 1 occurrence across 1 country.