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.

[1] 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.

[2] In addition to being a valued forage for livestock, it makes a good, fragrant silage.

[2] A number of cultivars are commercially available.

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