Persicaria thunbergii is a species of annual herb in the family Polygonaceae. They have a self-supporting growth form. They are native to South America. They have simple leaves and achenes. Flowers are visited by Lesser millet skipper, Eristalis cerealis, Menida violacea, and Melanostoma scalare. Individuals can grow to 0.2 m.
EOL has data for 17 attributes, including: