Burls, spherical woody growths on the trunks of spruce, birch and other trees, are commonly found throughout wooded parts of Alaska.
A string of incidents targeting older trees for the trees’ burl wood in public parks in Corvallis, Oregon, may kill the trees. According to the OregonLive, at least 39 burls were taken from 12 trees ...
San Angelo Standard-Times: For tree lovers and woodworkers, there's beauty in a burl
I’ve had my eye on this maple in my woods for some time. Not because it’s a beautiful timber tree. It’s only about eight inches in diameter, after all. But, it has an interesting burl about 14 feet up ...
1011 Now: Murdock artisan specializes in creating wood art from tree burls
It is common for people in interior Alaska and corresponding areas of northwestern Canada to use the name cottonwood when referring to one widespread variety of deciduous tree.
A tree's age can be easily determined by counting its growth rings, as any Boy or Girl Scout knows. Annually, the tree adds new layers of wood which thicken during the growing season and thin during the winter. These annual growth rings are easily discernible (and countable) in cross-sections of the tree's trunk. In good growing years, when sunlight and rainfall are plentiful, the growth rings ...
Yahoo: Burls on trees are mysterious and valuable. Let them grow: Nature News
Burls on trees are mysterious and valuable. Let them grow: Nature News
A picture supposedly showing an unusual wood pattern beneath the bark of a burned tree is met with a wide range of reactions (and humorous comments) whenever it circulates on social media: This is a ...