mountrainiernps:Landscape LanguageBurl (n) – a knotted tree…
Landscape Language
Burl (n) – a knotted tree growth
Burls, or burrs as they are also known, are deformed patterns in the
growth of tree. They are signs of stress caused by injury, fungus,
insects, or some other disturbance that disrupts the growth of the tree.
Instead of even concentric circles of tree rings, the layers of growth
become twisted and bulbous around the damaged area. What patterns do you
see in the twisted lines of these burls?NPS photo of burls on a fallen log in the Grove of the Patriarchs, 6/14/17. ~kl
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