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