Taxon  Report   6760 
Polygonum paronychia  Cham. & Schldl.
Beach knotweed,  Dune knotweed
Polygonum paronychia
© 2012 Robert Steers/NPS
Click on a photo to see it bigger.
Polygonum paronychia
© 2009 Thomas Stoughton
Polygonum paronychia
© 2009 Thomas Stoughton
Polygonum paronychia, a dicot, is a perennial herb that is native to California and is also found outside of California, but is confined to western North America.

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Plant Characteristics
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Bloom Period
Polygonum paronychia
© 2007 Steve Matson
Genus: Polygonum
Coastal Strand
Habitat: coastal
Distribution by County 

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Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Polygonum paronychia
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Feb 20, 2018).

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