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Fallopia sachalinensis; Sacaline, Giant Knotweed   

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Fallopia sachalinensis
Fallopia sachalinensis
Sacaline, Giant Knotweed
Photographer: staff CDFA
Organization: California Dept. of Food & Agriculture, Botany Laboratory
Collection: CDFA

ID: 0175 3301 2363 0066 (2001-07-18)

Copyright © CDFA

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

  • ADDITIONAL TAXONOMIC NOTES FOR THIS PHOTO
  • name change notes   May 21 2014: TJM1->TJM2 update via script. TJM1 name: Polygonum sachalinense ; TJM2 name: Fallopia sachalinensis

  • MORE INFORMATION ABOUT THIS PLANT
  • common names   Sacaline, Giant Knotweed (ITIS )
  • Look for Jepson Manual treatments, maps (University & Jepson Herbaria)
  • View Calflora record for Fallopia sachalinensis
  • View all photos in CalPhotos of Fallopia sachalinensis
  • Check Google Images for Fallopia sachalinensis


  • 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: changed name from "Polygonum polystachyum" to "Polygonum sp. "

    Reviewer's comments:
         "This is either P. sachalinense or P. cuspidatum, but it is not P. polystachyum. Photos from Integrated Pest Control do not have associated vouchers so the det. cannot be confirmed."

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

    Action: changed name from "Polygonum sp." to "Polygonum sachalinense "

    Reviewer's comments:
         "Broad leaves and axillary infl. plus location in Humboldt Co. suggest this is P. sachalinense.

    "

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

    Action: commented on photo

    Reviewer's comments:
         "Data on original glass slide says: "Hunter Creek, Del Norte Co., 7-24-1960, not Humboldt Co. in 1974 as given above. Specimen # from this location also cited on slide. T.C. Fuller 4972 (at CDA)."

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

    Action: commented on photo

    Reviewer's comments:
         "Slide is from Botany Laboratory, Plant Pest Diagnostics Branch, NOT Integrated Pest Control as suggested in second annotation."

     
    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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