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Polygonum paronychia
beach knotweed Smartweed-Buckwheat Family
Polygonum paronychia Polygonaceae
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common names
  beach knotweed
  dune knotweed
  black knotweed
accepted scientific name
  Polygonum paronychia Cham. & Schltdl.
rules for finding collection records
  Polygonum paronychia (539)
family name
  Polygonaceae
Image Author: ©2007 Steve Matson
Image License: Author's permission
Image Source
Category: Wildflowers
Flowers: Five petals
Petal colors: color color color
Flower size is about 0.2 inches
Leaf: Alternate
Plant Observed beginning of February thru 3rd week of October

How Likely at this Location (21%)
Name Match (100%)
Plant Showiness (36%)
Links to Plant Photos
Cal Photos (58)
Paul Slichter (13)
Wikimedia Commons (8)
J. Reveal (6)
G.D.Carr (8)
Jay Sullivan (1)
base map where plant found

Sand
grid lines base