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Spruce burl forest - 201206LJW

JAM_5582 The round knobs on these trees are called Burls. They are tree tumors caused by damage to a tip or bud. This causes growth cells to divide more rapidly than normal and over time forms these swelling on the trees.

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Photo details

  • Uploaded on June 11, 2012
  • © All Rights Reserved
    by Larry Workman
    • Camera: NIKON CORPORATION NIKON D300
    • Taken on 2012/06/10 11:04:33
    • Exposure: 0.050s (1/20)
    • Focal Length: 35.00mm
    • F/Stop: f/11.000
    • ISO Speed: ISO200
    • Exposure Bias: 0.00 EV
    • No flash