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Plant Profile  
FYUSE 3D Image

Common Name: Fall Witchgrass

Species Name: Digitaria cognata

Plant Type: Grasses & Grass-like

Family Name: Poaceae, Grass Family

Tribe: Paniceae, Panicgrass Tribe





Plant Facts  
Origin Native
Duration Perennial
Season Warm
Distribution in the U.S. Eastern half and west into Arizona and Mexico
Distribution in Oklahoma Throughout the state



ID Characteristics

  • Field Identification Characteristics


    • Clonal Flat, upright blades
    • One leaf edge silver white and crinkled
    • Lower sheath very hairy


    • Fanned out panicles with long branches
    • Branches swollen at base with long white hairs
    • Solitary spikelets at the end of each branch
    • Lower glume tiny or absent
    • Seed head breaks off and accumulates in fences
  • Leaf and Stem Characteristics
    • Plant Height: 27-80 centimeters
    • Ligule Type: Membranous
    • Sheath: Glabrous (upper), villous (lower)
    • Leaves: Cauline
  • Floral Characteristics
    • Inflorescence Type: Panicle
    • Florets Per Spikelet: 2
    • Glumes: Lower glumes absent, upper glume almost as long as lower lemma



Soil Type Sand and clay
Habitat Prairies and along roadsides
Successional Stage Early to mid


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