Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Hickory trees have a leaf with less than nine leaflets and an alternate leaf ...

University of Guam Research Associate Benjamin Deloso examines a bi-pinnately compound leaf of Guam's flame tree. The endangered Serianthes nelsonii tree makes a leaf that uses this same design.

The world of leaves is vast and beautiful. Just take a gander out your window at the variety you see. Their physical characteristics give them their individual charm. Each leaf is made up of two parts ...