Curly Birch - Betula alleghaniensis
Curly Birch is figured form of Yellow Birch. This stunning wavy pattern is caused by the tree experiencing some sort of stress during the course of its life. The direction of the grain changes direction during this time weaving through the tree rather than growing straight.
Origin: Northeastern North America
Janka Hardness: 1,260 lbf (5,610 N)