bluestem grass
noun› Any of several grasses that are adapted to…
1
Usually Little bluestem (Schizachyrium scoparium) and others of the genus Schizachyrium.
2
Usually Big bluestem (Andropogon gerardi) and others of the genus Andropogon
3
Usually Cane bluestem, Caucasian bluestem and others of the genus Bothriochloa.