en.wikipedia.org/wiki/Burl

A burl (American English) or bur or burr (UK English) is a tree growth in which the grain has grown in a deformed manner. It is commonly found in the form of a ...

treehut.co/blogs/news/what-is-burl-wood-its-weirder-than-you-think

A burl usually grows when the tree is undergoing some stress, whether it be an injury, virus, or fungal infection. The tree's growth hormones are disrupted and, ...

hunskihardwoods.com/burl-wood

These are the most commonly asked questions about burl. A burl is a tree growth in which the grain has grown in a deformed manner. It is usually found on the ...

lumberjocks.com/topics/20723

While scouting a hunting spot on my property, I saw this tree: ... If it is healthy, let it grow; the burl is obviously growing faster than the tree so let ...

northernwoodlands.org/outside_story/article/go-figure-how-tree-burls-grow

May 11, 2015 ... In burl formation, the tree's growth hormones get disrupted when the metabolism of the tree is hijacked by some other organism – a virus, ...

philholtan.wordpress.com/2015/02/28/how-to-harvest-and-sell-burls

Feb 28, 2015 ... Nested set of Black ash burl bowls, all cut from one burl. This burl tree yielded hundreds of burl bowls, all cored out this way. I get a lot of ...

www.woodmagazine.com/materials-guide/lumber/wood-figure/how-to-find-pearls-in-burls

Burls—those odd, bulbous growths on trees that result from an injury or ... To save as much of a burl's figure as possible, avoid slicing the burl from the trunk.

homeguides.sfgate.com/burl-oak-plant-28386.html

The burl oak (Quercus macrocarpa), also called bur or mossycup oak, becomes a large, impressive tree at maturity. Renowned for its uniquely shaped leaves ...

www.thoughtco.com/what-is-a-tree-burl-1342918

Mar 11, 2018 ... Cambial growth is hyper-stimulated as a way for the tree to isolate and contain the injury. Almost all burl wood is covered by bark, even when ...