Polygonum paronychia - Unknown
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Internal ID UUID64404b69bf96d375577233
Scientific name Polygonum paronychia
Authority Cham. & Schltdl.
First published in Linnaea 3: 51 (1828)

Description Top

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Polygonum paronychia, also known as dune knotweed, black knotweed, and beach knotweed, is a flowering plant native to the western coast of North America. It can be found in sandy coastal habitats such as beaches, dunes, and scrub. This small shrub has brown stems that can grow up to a meter long and may root at nodes that come in contact with moist substrate. Its leaves are linear to lance-shaped with rolled edges and bristly midribs on the undersides, and each leaf has a large stipule that forms a wide, membranous ochrea. The plant produces small white or pinkish flowers in the leaf axils. In traditional medicine, it has been used as a poultice to treat whitlow infections.

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Language Common/alternative name
English beach knotweed

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Germination/Propagation Top

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Distribution (via POWO/KEW) Top

Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native
  • Northern America
    • Northwestern U.S.A.
      • Oregon
      • Washington
    • Southwestern U.S.A.
      • California
    • Western Canada
      • British Columbia

Links to other databases Top

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Database ID/link to page
World Flora Online wfo-0001101042
Canadensys 8186
USDA Plants POPA7
Tropicos 26000876
KEW urn:lsid:ipni.org:names:331038-2
The Plant List tro-26000876
Open Tree Of Life 3943790
NCBI Taxonomy 2042450
Nature Serve 2.156372
IPNI 331038-2
iNaturalist 60734
GBIF 5334317
Freebase /m/0bh8gkd
EOL 585381
Calflora (Californian flora) 6760
USDA GRIN 460354
Wikipedia Polygonum_paronychia

Genomes (via NCBI) Top

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