About Polygonum arenarium Waldst. & Kit.
Species Nomenclature and Classification
Polygonum arenarium, the lesser red-knotgrass or European knotweed, is a species of flowering plant in the family Polygonaceae.
Native Distribution
It is native to Morocco, France, the former Czechoslovakia, Hungary, southeastern and eastern Europe, the Caucasus, Turkey, the Levant, Iraq, Iran, and Central Asia, and it has been introduced to Argentina, the British Isles, Germany, the Baltic States, and central European Russia.
Growth Form and Disturbed Habitat
A scrambling or procumbent annual, it is often found in disturbed habitats.
Natural Habitat
In more natural situations it is a psammophyte.
