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dotted knotweed
Persicaria punctata
Persicaria punctata
dotted knotweed Smartweed-Buckwheat Family
Persicaria punctata Polygonaceae
common names
  dotted knotweed
  water smartweed
accepted scientific name
  Persicaria punctata (Elliott) Small
rules for finding collection records
  Persicaria punctata (48)
  Polygonum punctatum (0)
family name
  • Polygonaceae
Image Author: ©2012 Peter M. Dziuk, Minnesota Wildflowers
Image License: Author's permission
Image Source
Category: Wildflowers
Flowers: No obvious petals, Five petals
Petal colors: color
Flower size is about 0.13 inches
Leaf: Alternate, Simple
Plant Observed All Year
Not native. Naturalized.

How Likely at this Location (16%)
Name Match (100%)
Plant Showiness (36%)
where plant found
mag select

grid lines base


Accepted Scientific Name

Persicaria punctata   (Elliott) Small   (TSN: 518749, Index: 794)

Scientific Names used to access collection records

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Common Names

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Family Names