
Ask any first grader what a tree looks like, and they’ll draw a characteristic closed, scalloped shape suspended with two parallel lines extending downward. But ask a tree expert, or dendrologist, and they’ll have a lot more trouble defining a tree.

Ask any first grader what a tree looks like, and they’ll draw a characteristic closed, scalloped shape suspended with two parallel lines extending downward. But ask a tree expert, or dendrologist, and they’ll have a lot more trouble defining a tree.