Trees of Alabama and the Southeast Home Page
bulletblackjack oak  Quercus marilandica   Fagaceae (red oak)

 Leaves are simple, alternate, deciduous and leathery with up to 3 large, bristle-tipped lobes at the apex.  Leaves are dark green on the surface, very hairy below, and often resemble a fan in shape.  Twigs are gray and pubescent.  Terminal buds are angled, pointed, red-brown and pubescent. Bark is thick, dark and rough.  Fruit is an acorn up to 3/4 inches long with a downy pubescent nut with a rigid point and bowl-shaped cap covering up to 1/2 of the nut.  The acorn matures in two seasons.  Blackjack oak is usually a small tree on dry sites in the southeastern U.S. and is intolerant of shade.  The wood is used as red oak lumber and for fuel.  Acorns eaten by game birds, deer, and many small mammals.

blkjk_oak frt1.jpg (7438 bytes) blkjk_oak bark2.jpg (18415 bytes)

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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.