(Quercus marilandica)
The Beech Family (Fagaceae)

Small tree with drooping, often crooked branches. It has alternate, deciduous, almost triangular leaves with 3 very large, square shaped, bristle tipped lobes.


Poor, dry, sandy soils where clay is present.

Interesting Facts: 

Produces hard dense wood used for railroad ties, fence posts, charcoal and firewood.

Ovoid acorn .375-.75” long and wide with a stout point.
Male flower: 2 - 4” hanging catkin; Female: small, single or paired at tip of stem.
Wildlife value: 
Used by birds for cover, nesting and food; attracts butterflies; rodents and deer eat its acorns.
Leaf type: 
Wildlife value: 
Tree dimensions: 

Leaf length: 5.00-8.00 inches
Tree height: 20.00-50.00 feet

Where to find Blackjack Oak on the Louisiana State Arboretum Trails:

TER - Walker Terrace 34.0

Refer to our Live Map to locate this species and its interpretative signage on the trail system.