bluejack oak Fagaceae Quercus incana

Leaf:Alternate, simple, narrow elliptical, broadest above the middle, 2 to 4 inches long, 1/2 to 1 inch wide. The leaves may have some shallow bristle tipped lobes at the tip, bluish gray above and white woolly below.
Flower:Species is monoecious; male flowers are yellow-green long catkins (2 to 3 inches long); females are green to reddish, very small spike in leaf axils, appearing with the leaves.
Fruit:Acorn, round nut 1/2 inch in diameter, brown; cap usually shallow but may cover up to 1/3 of nut, scales thin.
Twig:Slender, initially quite hairy and light brown, later becoming hairless and darker, buds are sharp pointed, reddish brown, typically clustered at branch tips.
Bark:Dark often nearly black, quite blocky, becomes rough quite early.
Form:Small tree, often only a shrub, to 30 feet, very poor form with numerous dead branches.

leaf flower fruit twig bark form map