blackjack oak Fagaceae Quercus
marilandica Muenchh. symbol: QUMA3
|Leaf: Alternate, simple, 5 to 8 inches long, thickened, with 3 shallow, bristle-tipped lobes near the end of the leaf, upper surface lustrous green, lower surface paler with orange-brown pubescence.
Flower: Species is monoecious; males 2 to 4 inch long hanging catkin; females small, single or paired.
Fruit: Acorn, nut 3/4 inch long often striated, light brown, cap covers about half of the nut and is covered with loose, hairy scales.
Twig: Stout, dark brown and scruffy-hairy, reddish brown buds are 1/4 inch long, sharp, angled and fuzzy.
Bark: Very dark (almost black), rough, with blocky plates and splits.
Form: A small sized tree (20 to 30 feet tall) generally with poor form. It typically has a short trunk with a round crown made up of twisted limbs.
Looks like: turkey oak
| Additional Range Information:
Quercus marilandica is native to North America.
Range may be expanded by planting.
See states reporting blackjack oak.
| External Links:
USDA Plants Database
|© Copyright 2015, Virginia Tech|
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson