Persicaria lapathifolia (Curlytop Knotweed) is a species of annual herb in the family Polygonaceae. They have a self-supporting growth form. They have simple, broad leaves. Flowers are visited by Cabbage White Butterfly, hedge brown, Myzinum maculatum, and Halictus parallelus. Individuals can grow to 0.54 m.
EOL has data for 18 attributes, including: