Hairy Grama

Plant Profile
FYUSE Image	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