Hemarthria altissima, variously called limpo grass, limpograss, halt grass, Batavian quick grass, swamp couch grass, red swamp grass and red vleigrass, is a species of flowering plant in the jointgrass genus Hemarthria, family Poaceae. It is native to the Old World Tropics and Subtropics; Africa, Southern Europe, the Middle East, India, Southeast Asia, eastern China, and Borneo, and widely introduced as a forage in the New World, from Texas and Florida south to northern Argentina. In addition to being a valued forage for livestock, it makes a good, fragrant silage. A number of cultivars are commercially available.

...