sacaton
noun
sac·a·ton ˈsa-kə-ˌtōn 
: a coarse perennial grass (Sporobolus wrightii) of the southwestern U.S. that is used for forage especially in alkaline soils
Word History
Etymology
American Spanish zacatón, from zacate coarse grass, from Nahuatl zacatl
First Known Use
1846, in the meaning defined above