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pinkhead smartweed
Persicaria capitata
Persicaria capitata
pinkhead smartweed Smartweed-Buckwheat Family
Persicaria capitata Polygonaceae
common names
  pinkhead smartweed
  Japanese knotweed
accepted scientific name
  Persicaria capitata (Buch.-Ham. ex D. Don) H. Gross
rules for finding collection records
  Persicaria capitata (271)
family name
  • Polygonaceae
Image Author: ©2011 Forest And Kim Starr
Image License: CC BY
Image Source
Category: Wildflowers
Flowers: No obvious petals, Round clusters of flowers
Petal colors: color color
Leaf: Alternate, Simple
Plant Observed All Year
Introduced. Native to India.

How Likely at this Location (40%)
Name Match (100%)
Plant Showiness (27%)
where plant found
mag select
grid lines base


Accepted Scientific Name

Persicaria capitata   (Buch.-Ham. ex D. Don) H. Gross   (TSN: 518727, Index: 488)

Scientific Names used to access collection records

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Common Names

To remove a name, make the line blank. To add multiple names on one line put a comma between them. Do not capitalize the words in common names unless they are a person or place. (Bad: Pink Rose) (Good: Pink's rose)

Family Names