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What Causes Tree Burls?
Trees are truly fascinating in their ability to heal over many wounds from injury, pruning, and animals. If you’ve ever noticed a knobby growth on a branch or a trunk of a tree, you’ve likely seen a burl. Contrary to popular belief, burls are not harming the tree and have some use to woodworkers. Burls are a collection of plant cells called callous tissue. Callous tissue for…