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Plant Profile  
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Common Name: Post Oak

Species Name: Quercus stellata

Plant Type: Woody

Family Name: Fagaceae, Beech Family





Plant Facts  
Origin Native
Duration Perennial
Distribution in the U.S. Eastern half with the exception of the Northeast and North but occurs as far west as Western Texas and Eastern Kansas
Distribution in Oklahoma Throughout the state



ID Characteristics

  • Field Identification Characteristics


    • Bark light gray and flaking
    • Cross-shaped, 5-7 lobed, glossy green leaves
    • Leaves lack pointy tips; rough like sandpaper to the touch
    • Similar in habit to Blackjack but light in color and lacks dead branches


    • Acorns on tips of twigs after leaves; cap only covers top of fruit
  • Leaf and Stem Characteristics
    • Growth Form: Tree 
    • Leaf Type: Simple 
    • Leaf Arrangement: Alternate 
    • Leaf Blade Edge: Deeply lobed
    • Leaf Blade Length: 8-15 centimeters
  • Floral Characteristics
    • Petal Number: Absent
    • Flower Timing: March-April
    • Fruit Type: Nuts



Soil Type Sandy
Habitat Dry, sterile, upland soils of rocky ridges
Successional Stage Late


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