Patagonia Wildflowers
Wildflower Identification
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pale smartweed
Persicaria lapathifolia
Persicaria lapathifolia
pale smartweed Smartweed-Buckwheat Family
Persicaria lapathifolia Polygonaceae
--show more--
English common names
  •pale smartweed
  •curlytop knotweed
  •willow weed
accepted scientific name
  •Persicaria lapathifolia (L.) Gray
rules for finding collection records
  •Persicaria lapathifolia (86)
  •Polygonum lapathifolium (13)
  •excludePolygonum lapathifolium nodosum
family name
  • Polygonaceae
Image Author: ©2004-2014 John Hilty, Illinois Wildflowers
Image License: Author's permission
Image Source
Category: Wildflowers
Flowers: No obvious petals, Four petals, Five petals
Petal colors: color color
Leaf: Alternate
Plant Observed beginning of October thru end of May

How Likely at this Location (20%)
Name Match (100%)
Plant Showiness (36%)
base map where plant found
mag select
grid lines base