Andropogon (Schizachryium) scoparium - Little Bluestem
This native perennial grass is 2-3' tall and tufted at the base. The culms are tan or reddish brown, hairless, and terete; the base of each culm is erect, rather than decumbent across the ground. Alternate leaves are produced primarily along the lower half of each culm. The leaf blades are up to 10" long and ¼" across, light green or light blue, hairless or slightly pubescent, and curling outward. The leaf sheaths are light green or light blue, hairless or slightly pubescent, and finely ribbed.