An annual plant, species of the genus Highlander (Polygonum) of the Buckwheat family (Polygonaceae). An annual herb with bare, yellow-green vegetative parts, with a faint bluish tinge. Stems are erect, longitudinally furrowed, 20-60 cm tall, multiply branched, internodes 3-5 cm long. This plant is useful. How to get rid of: its growth should be limited by removing the root processes.