Vascular Plants of the Gila Wilderness
Presented in Association with the
Western New Mexico University Department
of Natural Sciences
Sorghum halapense (Linnaeus) Persoon
(Johnsongrass)
Family: Poaceae
Status: Exotic
Synonyms:
Holcus halepensis Linnaeus
Sorghum halapense is a tall perennial with long rhizomes. It grows
in moist places and can form large colonies. The flowering segments are called
"rames." In the rames, a pedicelled spikelet can give rise to more pedicelled
spikelets.
Please click on an image for a larger file.
Sorghum halapense, photo Russ Kleinman, Burro Mtns., Mangas Cyn. Rd., June 17, 2007
Sorghum halapense, detail of spikelet, photo Russ Kleinman, Silver City, Sept. 26, 2007
Sorghum halapense, detail of rame, photo Russ Kleinman, Burro Mtns., Mangas, Nov. 7, 2007
Sorghum halapense, strongly rhizomatous, photo Russ Kleinman & Richard Felger, Sycamore Canyon near Cliff, Nov. 8, 2009
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