Blackjack oak
Quercus marilandica Muenchh.
Fagaceae (Beech family)
Description
This large hardwood tree is a perennial, warm-season native with bark that is nearly black, very rough and arranged in ridges on the trunk. It is a member of the Beech family.
The leaves are scalloped with short, white hairs on top and brownish fuzz underneath. The leaves have three to five lobes, each with a short bristle on the tip.
Blackjack oak provides fair grazing for wildlife. For livestock, it is poisonous and provides poor grazing.
Habitat
Blackjack oak prefers slightly to very acidic sand, sandy loam and clay soils in Central and East Texas. In the western region of its boundaries, it may grow on gravelly clay soils. It is commonly associated with mesquite and juniper or other species of oak trees.
Images
Plant Characteristics
Seed Type: Nut/Acorn
Duration: Perennial
Stem Texture: Hairless/Smooth
Growth Habit: Shrub (Woody)
Leaf Shape : Simple with Pinnate or Parallel Venation
Season: Warm
Distribution : 01 - Pineywoods, 02 - Gulf Prairies and Marshes, 03 - Post Oak Savannah, 04 - Blackland Prairies, 07 - Edwards Plateau, 08 - Rolling Plains
Distributions
Distribution refers to the ecological region in Texas that a plant has been found. You can also view a clickable map.
Book: Brush and Weeds of Texas Rangelands (B-6208)
Collection: Brush and Weeds