Panicum hirticaule is a species of grass known by the common names Mexican panicgrass and roughstalked witchgrass.
In North America it is native to the Southwestern United States and Mexico. Its distribution extends throughout Central and South America. It grows in many types of habitat, including disturbed areas.
This is a perennial bunchgrass growing 10 to 80 centimeters tall and bearing hairy leaves up to 15 centimeters long. The inflorescence is a branching panicle up to 12 centimeters long with rounded spikelets at nodes.
This is an annual and not a perreniel grass
source : Hitchcock, Manual of Grasses of US.Specimens
- Jepson Manual Treatment - Panicum hirticaule
- USDA Plants Profile: Panicum hirticaule
- Grass Manual Treatment - Panicum hirticaule
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