Grass Family (Poaceae). Cylinder jointtail grass is a native, warm season, rhizomatous perennial grass. The height is between 1 and 3 1/2 feet. The leaf blade is slender; pointed, 8 to 14 inches long, flat at first, then rolled inward at maturity. The basal blades are shorter than those higher on the stem. The leaf sheath is rounded, about as long as the internodes. The stem is erect with swollen, purplish node. The seedhead is a raceme, cylindric, slightly curved; seedhead 2 to 6 inches long. The spikelets are sessile, awnless, and in pairs at the nodes of a thickened rachis.

Distribution: For current distribution, please consult the Plant Profile page for this species on the PLANTS Web site.