Blackjack Oak Quercus M arilandica Muench

1. Blackjack OakQuercusMarilandicaMuench By, Ronnie Booth

2. Classification Kingdom- Plantae Subkingdom-Tracheobionta Superdivision- Spermatophyta Division- Magnoliophyta Class- Magnoliopsida Subclass- Hamamelididae Order-Fagales Family- Fagaceae Genus- Quercus L. Species- QuercusMariliandicaMuench1

3. Shape, Type, and Form Figure 1- blackjack oak form • The blackjack oak is a tree that grows to a maximum of 50 feet tall, mostly it is much shorter. • It has limbs that grow lower to the ground and grow downwards. • The trunk of the tree can grow up to a 18 inches in diameter. The trunk is often very knarled2

4. Bark Figure 2- Blackjack Oak Bark The bark of a blackjack oak is a gray or brown color. As the tree matures, the bark becomes less smooth and more rough.2

5. Twig Figure 3- Blackjack Oak Twig • The twigs of a blackjack oak are medium sized, with alternating leaves. • They are brown in color and are a little hairy. • Most of the leaf scars on the twigs are toward the tip of the twigs.2

6. Leaf Figure 4- Blackjack Oak Leaf • The leaf of a blackjack oak’s leaf is thicker than most leaves. • It has a rounded base with a three lobed tip • In the fall they turn a variety of colors.3

7. Bud Figure 5- Blackjack Oak Bud The bud of a blackjack oak are rather small. They are slightly angled, and are normally between a half and a quarter inch long.2

8. Flower Figure 6- Blackjack Oak Flower • The flowers are in groups of 2-3. • They droop down.2

9. Fruit Figure 7- Blackjack Oak Fruit • The acorn is nearly round. • They can be up to half an inch in diameter. • The top of the acorn covers nearly half the acorn.2

10. Habitat and Range Figure 8- Blackjack Oak Range • The Blackjack Oak is mostly found in poor soil. • Mostly found on dry rocky cliffs. • Found mostly in the South and Midwest.2

11. Uses • The blackjack oak is mostly used for fuel, especially charcoal. 2

12. Works Cited 1- USDA, NRCS. 2004. The PLANTS Database, Version 3.5 (http://plants.usda.gov/java/profile?symbol=QUMA3). National Plant Data Center, Baton Rouge, LA 70874-4490 USA. Reviewed on 6-22-10. 2- Mohlenbrock, R. H. (n.d.). Blackjack Oak. Forest trees of illinois. Illinois: Illinois Department of Resources Division of Forest Resources. 3- Steyermark, J.A. (1981). QuercusMarilandicaMuenchh. (1981). Flora of Missouri. Annes, Iowa, United States of America: The Iowa State University Press.

13. Image Cited Figure 1: Blackjack Oak Form No Date Date Retrieved: 6-22-10 http://www.arlingtontx.gov/park/forestry/images/trees/Black%20Jack%20Oak.jpg Figure 2: Blackjack Oak Bark No Date Date Retrieved: 6-22-10 http://www.discoveret.org/utarboretum/blackjackbark.jpg Figure 3: Blackjack Oak Twig 2002, Steven J. Baskauf Date Retrieved: 6-22-10 http://www.cas.vanderbilt.edu/bioimages/image/q/quma3-tw15878.htm Figure 4: Blackjack Oak Leaf No Date Date Retrieved: 6-22-10 http://www.cas.vanderbilt.edu/bioimages/q/wquma3-lf15871.jpg

14. Images Cited Figure 5: Blackjack Oak Bud No Date, Craig Rowe Date Retrieved: 6-22-10 http://3.bp.blogspot.com/_UdIftRLT2AY/SunrsB6DajI/AAAAAA AABxo/nyYJTu6ZyKc/s400/091031BlackjackOakBud.jpg Figure 6: Blackjack Oak Flower 2008, Will Cook Date Retrieved: 6-22-10 http://www.duke.edu/~cwcook/trees/quma40384.jpg Figure 7:Blackjack Oak Fruit No Date Date Retrieved: 6-22-10 http://www.oplin.org/tree/fact%20pages/oak_blackjack/fruit.jpg Figure 8: USDA, NRCS. 2004. The PLANTS Database, Version 3.5 (http://plants.usda.gov/java/profile?symbol=QUMA3). National Plant Data Center, Baton Rouge, LA 70874-4490 USA. Reviewed on 6-22-10.