Persicaria polymorpha
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knotweed | ||||||||||||||
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Persicaria polymorpha |
Persicaria polymorpha (knotweed) is a plant in the knotweed family, Polygonaceae.
[edit] Description
Persicaria polymorpha is a herbaceous plant with alternate, simple leaves, on stout stems. The flowers are white, borne in summer through fall.