California Native Plant Link Exchange
PLANT INFORMATION

Polygonum polystachyum - Himalayan knotweed


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FEATURES
Calflora Taxon Report
Lifeform:
Perennial herb
Family:
Polygonaceae
Not Native

Plant Communities:
Weed (disturbed places)
wetland-riparian

Synonyms:
Aconogonum polystachyum
Persicaria wallichii

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