Description
Perennial erect herb. The rhizome is short and densely covered with scales. The culms grow in clusters, 30-100 cm high. The leaf sheath is glabrous or sparsely short-haired; the tongue is thick, about 1 mm long, with short cilia; the leaf blade is flat or slightly curled, 20-30 cm long, 1-5 mm wide, rough on both sides, with fine pilose at the base , With warty hairs on the edge.
Native to the Americas, China has introduced species at the same latitude, and is experimentally cultivated as pasture.
As a forage for cattle and sheep, it has certain economic benefits