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Polygonum achoreum
beak-seeded knotweed Smartweed-Buckwheat Family
Polygonum achoreum Polygonaceae
common names
  beak-seeded knotweed
  leathery knotweed
  striate knotweed
accepted scientific name
  Polygonum achoreum S.F. Blake
rules for finding collection records
  Polygonum achoreum (853)
family name
Image Author: ©2010 Matt Lavin
Image License: CC BY-SA
Image Source
Category: Wildflowers
Flowers: Five petals
Petal colors: color
Flower size is about 0.125 inches
Leaf: Alternate
Plant Observed last week of May thru 2nd week of October

How Likely at this Location (27%)
Name Match (100%)
Plant Showiness (36%)
Links to Plant Photos
Wikimedia Commons (16)
WTU Herbarium (3)
U of Michigan Herbarium (1)
base map where plant found
mag select

grid lines base