Scientific Name: Aristida purpureas
Common Name: Purple Threeawn
Family: Poaceae, Grass Family
Size: to 18 inches tall and as wide.
Growth Form: Erect, small, perennial bunchgrass, elliptical stem, can be (but not often) branched at lower nodes.
Leaves: Simple, tan or green. Narrow or spike-like, with short ascending or appressed branches.
Flower Color: Purple seed heads which wave gracefully in the wind.