Calamovilfa longifolia--Prairie Sandreed is a warm-season perennial grass, 2 - 5 feet in height, with long scaly rhizomes.  Culms occur predominantly as solitary stems.  Leaves are 1/4 in. in width, 6 -12 in. in length, stiff, glabrous to scabrous.   Inflorescence is a contracted panicle, 6-12 in.  in length.    This grass does well in sandy soil and is very drought tolerant.