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Polygonum minimum
broadleaf knotweed Smartweed-Buckwheat Family
Polygonum minimum Polygonaceae
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common names
  broadleaf knotweed
  zigzag knotweed
accepted scientific name
  Polygonum minimum S. Watson
rules for finding collection records
  Polygonum minimum (774)
family name
  Polygonaceae
Image Author: ©2010 Keir Morse
Image License: CC BY-NC-SA
Image Source Image Source
Category: Wildflowers
Flowers: Five petals
Petal colors: color
Flower size is about 0.1 inches
Leaf: Alternate
Plant Observed 3rd week of June thru 1st week of October

How Likely at this Location (26%)
Name Match (100%)
Plant Showiness (27%)
Links to Plant Photos
Cal Photos (25)
Paul Slichter (9)
G.D.Carr (12)
Mt Rainier Photos (2)
Wikimedia Commons (1)
base map where plant found
mag select

Forest
Rocky
Riparian
Meadow
Disturbed
grid lines base