|Other names:||western witchgrass, fall panicgrass, fall panic, smooth witchgrass|
Smooth, often glossy stems that bend at an angle. Leaf blades have a white mid-rib. Seedhead is branched and open, becoming purple late in season. Plants may reach 7 ft. tall.
Taxonomic data last retrieved March 30, 2012, from the Integrated Taxonomic Information System on-line database, http://www.itis.gov.