What Are the Lumps on Tree Trunks?

What Are the Lumps on Tree Trunks?
★ Key Takeaways

A Burl (American English) or Burr (British English) Is a Tree Growth in Which the Grain Has Grown in a Deformed Manner. It Is Commonly Found in the Form of a Rounded Outgrowth on a Tree Trunk or Branch That Is Filled with Small Knots from Dormant Buds.

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Direct Answer • Key Takeaway

A Burl (American English) or Burr (British English) Is a Tree Growth in Which the Grain Has Grown in a Deformed Manner. It Is Commonly Found in the Form of a Rounded Outgrowth on a Tree Trunk or Branch That Is Filled with Small Knots from Dormant Buds.

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Elena Rostova
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Elena Rostova

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.