Silver birch tree with a large burr (burl) around the trunk - such growths are the result of stress such as injury, viral or fungal infections

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Size: 4000px × 6000px
Location: Puttenham Common, Puttenham, Surrey, UK
Photo credit: © Gillian Pullinger / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: birch, bur, burl, burr, deformity, england, growth, infection, kingdom, nature, outgrowth, silver, surrey, tree, trees, trunk, uk, united, woodland, woods