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Black Walnut > Trunk/Branches > Large woody growth on trunk

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  • Image: Burls 1

    Credit: M. Grabowski, University of Minnesota

  • Image: Burls 2

    Credit: M. Grabowski, University of Minnesota

  • Image: Burls 3

    Credit: M. Grabowski, University of Minnesota

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green arrowBurls

  • Large round to semi-circular swellings along main trunk or large branches
  • Many buds of sprouts may be present on the exterior of the burl
  • Common on sugar and Norway maples
  • More information on burls...

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