| bur oak Quercus macrocarpa Fagaceae (white oak) |
Leaves are simple, alternate and deciduous with 5-9 rounded lobes, lobes at the apex forming a fan shape, center sinuses that cut almost to the midrib, and a hairy underside. Twigs are brown-gray, stout and sometimes with corky wings. Bark is similar to white oak but darker and more ridged on larger trees. Fruit is an acorn up to 2 inches long with a unique "fringed" cap that covers approximately half the nut. The acorn matures in one season. Bur oak is found in the northeast and central U.S. and in isolated populations in Alabama. The wood is used as white oak lumber. Acorns eaten by game birds, deer, bear and many small mammals.
 |
 |
 |
Click on photo to enlarge.
All text and photographs are intended for educational purposes only and are not for
commercial use in any form. All photographs are copyrighted by the named
photographer(s), text copyright by Lisa Samuelson. © 2005, all rights reserved.
Photographs by Mike Hogan.
