Lignotuber

Rarity: Common

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At a glance

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Notion

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Science and technology

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What Wikipedia says

A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. Other woody plants may develop basal burls as a similar survival strategy, often as a response to coppicing or other environmental stressors.

Excerpt from the Wikipedia article “Lignotuber”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Genet, CC BY-SA 3.0, via Wikimedia Commons.