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Plant Profile  
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Common Name: Hairy Grama

Species Name: Bouteloua hirsuta

Plant Type: Grasses & Grass-like

Family Name: Poaceae, Grass Family

Tribe: Cynodonteae, Gramagrass Tribe

 

 

 

 

Plant Facts  
Origin Native
Duration Perennial
Season Warm
Distribution in the U.S. Central portion from southern Canada to Central Mexico
Distribution in Oklahoma Western two-thirds of the state

 

 

ID Characteristics

  • Field Identification Characteristics

    Vegetative

    • Curly leaf blades
    • Hairs on leaf edges arising from tiny bumps

    Floral

    • 1-4 branches per seed head
    • Branches with bristle at tip
    • Stem ends just above last branch
  • Leaf and Stem Characteristics
    • Plant Height: 15-40 centimeters
    • Ligule Type: Ciliate
    • Sheath: Glabrous
    • Leaves: Basal
  • Floral Characteristics
    • Inflorescence Type: Spike
    • Florets Per Spikelet: 2 (1 fertile and 1 sterile)
    • Glumes: Unequal

 

 

Habitat/Ecology  
Soil Type Shallow sandy, rocky and sandy loam
Habitat Dry, open sites with shallow soils
Successional Stage Mid to late

 

 

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