Monographs Details: Polygonum capitatum Buch.-Ham.
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Description:Species Description - A related sp., is reported to escape occasionally from cult. It is a rhizomatous perennial with short-petiolate or subsessile lvs.