Fall Witchgrass

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 Profile

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

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

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