Side-oats Grama
Bouteloua curtipendula

Family: Grass (Poaceae)
AKA:
Photo taken on: September 12, 2011
Location: White Rock, NM
Life Zones: Plains to montane
Habitat: Dry, open areas

Grows over 3ft tall with purplish flowers growing on one side of the stem.

It is the State Grass of Texas.