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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Polygonum paronychia

Polygonum paronychia Cham. & Schltdl.

Beach Knotweed, Black Knotweed, Dune Knotweed

Polygonaceae (Buckwheat Family)

Synonym(s):

USDA Symbol: POPA7

USDA Native Status: L48 (N), CAN (N)

 

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Plant Characteristics

Duration: Perennial
Habit: Subshrub
Size Notes: Up to about 3 feet tall.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep

Distribution

USA: CA , NV , OR , WA
Canada: BC

Additional resources

USDA: Find Polygonum paronychia in USDA Plants
FNA: Find Polygonum paronychia in the Flora of North America (if available)
Google: Search Google for Polygonum paronychia

Metadata

Record Modified: 2017-10-30
Research By: CBR

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