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Plant Profile  
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Common Name: Greenbrier

Other Names: Catbrier, Saw Greenbrier, Bullbrier

Species Name: Smilax bona-nox

Plant Type: Woody

Family Name: Smilacaceae, Greenbrier Family





Plant Facts  
Origin Native
Duration Perennial
Distribution in the U.S. Southeastern quarter and extends westward to southeastern Nebraska, eastern Kansas and Texas
Distribution in Oklahoma Throughout the state except the northwest corner



ID Characteristics

  • Field Identification Characteristics


    • Tough green stems with stout prickles
    • Net-veined, triangular leaves
    • Light green tendrils; forms tangled masses


    • Small clusters of shiny, black berries
  • Leaf and Stem Characteristics
    • Growth Form: Woody vines
    • Leaf Type: Simple 
    • Leaf Arrangement: Alternate 
    • Leaf Blade Edge: Entire
    • Leaf Blade Length: 4-12 centimeters
  • Floral Characteristics
    • Petal Number: 6 sepaloid parts
    • Flower Color: Green
    • Flower Timing: March-June
    • Fruit Type: Berries



Soil Type Varying
Habitat Disturbed sites, the edge of forests and abandoned fields
Successional Stage Mid to late


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