Delaware Wildflowers • Families • Polygonaceae

Fallopia japonica (Houtt.) Ronse Decr.
(Polygonum cuspidatum, Reynoutria japonica)
Japanese Knotweed
Polygonaceae — Smartweed family
Invasive non-native
Fallopia japonica
Paper Mill Road
August 2004

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Photos copyright David G. Smith

Information from the Delaware Flora Checklist used with author's permission.

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