These are
compound leaves.  A compound leaf consists of several leaflets.  You can tell the difference between a "leaf" and a "leaflet" by looking at where the "leaf" stem attaches.  Leaves are attached to woody twigs.  If a stem attaches to a non-woody "twig", then it is a leaflet. 

White Ash
Black Ash Green Ash Elderberry  
Black Walnut
Butternut Bitternut Mountain Ash Staghorn Sumac
Black Locust Horse-chestnut Boxelder  

To view other thumbnail collections of leaves,
click on the leaf pattern below that looks most like your leaf.

Coniferous Got Cones? Simple-Smooth Simple-Toothed Simple-Lobed

Click HERE to return to the home page.

This site created and maintained by Bill Cook, MSU Extension Forester for the Upper Peninsula of Michigan.   Editing and modification is ongoing.  Submit suggestions, questions, and corrections to or call 906-786-1575. 

wpe5.jpg (2127 bytes)U.P. TREE  IDENTIFICATION  KEY
from Michigan State University Extension



This site is hosted by School of Forest Resources and Environmental Science
at Michigan Technological University.

Michigan Tech