Henry W. Coe - Wildflower Guide

Water Knotweed, Smart Knotweed, Water Smartweed


Scientific Name: Persicaria amphibia
Family: Buckwheat Family (Polygonaceae)
Blooms: July through October
Facts: Perennial, rhizomed or stoloned. Shallow lakes, streams, shores.

persicaria-amphibia-merged


Photos by Sue Dekalb © 2015
  
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