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Persicaria wallichii; Himalayan Knotweed   

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Persicaria wallichii
Persicaria wallichii
Himalayan Knotweed
Photographer: staff CDFA
Organization: California Dept. of Food & Agriculture, Botany Laboratory
Collection: CDFA

ID: 0175 3301 2363 0065 (2001-07-18)

Copyright © CDFA

 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Aug 14, 1974
  • location   Orick (Humboldt County, California, US)
  • family Polygonaceae
  • synonyms Polygonum polystachyum
  • photo category: Plant - annual/perennial

  • ADDITIONAL TAXONOMIC NOTES FOR THIS PHOTO
  • name change notes   May 21, 2014: TJM1 name Polygonum polystachyum changed to TJM2 name Persicaria wallichii . (University & Jepson Herbaria)

  • MORE INFORMATION ABOUT THIS PLANT
  • common names   Himalayan Knotweed, Cultivated Knotweed (CF, ITIS )
  • Look for Jepson Manual treatments, maps (University & Jepson Herbaria)
  • View Calflora record for Persicaria wallichii
  • View all photos in CalPhotos of Persicaria wallichii
  • Check Google Images for Persicaria wallichii


  • Reviewers' comments about this photo (sign in to review or add a comment about this photo)


    1. Reviewed by Staff CDFA    Jul 18, 2001

    Action: ID confirmed

    Reviewer's comments:
         "This slide is from a collection at the California Department of Food and Agriculture, which is reviewed and maintained by CDFA Staff."

    2. Reviewed by G. F. Hrusa    May 11, 2004

    Action: ID confirmed

    Reviewer's comments:
         "Voucher at CDA collected in same location 9-27-1961. T.C. Fuller 7040."

     
    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © CDFA. For other uses, or if you have questions, contact Genevieve Walden Genevieve.Walden[AT]cdfa.ca.gov. (Replace the [AT] with the @ symbol before sending an email.)


     

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