Polygonum pennsylvanicum 

Pink Knotweeds  Pink weeds

Names and Myths

Polygonum Latin poly many, and gonu knee, joint from the nodes.

pennsylvanicum of Pennsylvania

Natural history / Folklore

“This is a bitter leaf which is dried by the Menominis for tea. When one has a hemorrhage of the mouth, this is drunk to stop it. Mixed with other herbs it is drunk by women after childbirth, and heals them internally.”2

Species List Family Group
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Flowers in a loose spike pink to white, sheathes fringed, flowers wet places.