What is it? Where is it? This large knobby growth on the trunk of a tree is called a burl. Contrary to popular belief it is not harmful to the tree. In fact burls are prized by woodworkers for their beautiful patterns. This large burl nearly circles the trunk of a tree growing at the southwest corner of the vacant lot west of the Superior Auditorium.

Take a close look at the picture, the photographer thinks the burl looks like the head of a giant chipmunk but he hasnʼt found many people who agree with him.

A burl is a strange a strange looking collection of tree cells which are called callus t...