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Arctostaphylos imbricata   

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Arctostaphylos imbricata
Arctostaphylos imbricata
Photographer: Aaron Schusteff

ID: 0000 0000 0315 1865 (2015-03-16)

Copyright © 2015 Aaron Schusteff

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INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Feb 25, 2015
  • location   San Bruno Mountain (San Mateo County, California, US)
  • family Ericaceae
  • notes   View of stems of Arctostaphylos imbricata, with its densely imbricate, auriculate leaves and terminal inflorescences.

    What was unusual and remarkable here were the inflorescences with bright-red corollas...which were somewhat swollen-thickened and ''warty'' with abnormally enlarged and exserted stigmas. Normally A. imbricata has whitish flowers and the stigmas remain included within the corolla until it drops.

    I dissected a few corollas and found the anthers appeared to be 'frozen' in a pre-dehiscent state. There were no insect larvae within, which seemed to rule out an insect-induced gall. So I'm guessing this was the result of infection by a virus or other microbial pathogen. Note that, in addition to the corollas, the terminal leaves also seemed to be deformed and afflicted.

  • high resolution file https://www.flickr.com/photos/17069890@N03/16218164014/sizes/o/
  • photo category: Plant - shrub

  • MORE INFORMATION ABOUT THIS PLANT
  • Look for Jepson Manual treatments, maps (University & Jepson Herbaria)
  • View Calflora record for Arctostaphylos imbricata
  • View all photos in CalPhotos of Arctostaphylos imbricata
  • Check Google Images for Arctostaphylos imbricata


  • The photographer's identification Arctostaphylos imbricata has not been reviewed. Click here to review or comment on the identification.

     
    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 © 2015 Aaron Schusteff. For other uses, or if you have questions, contact Aaron Schusteff arbonius2[AT]sbcglobal.net. (Replace the [AT] with the @ symbol before sending an email.)


     

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