Johnson grass(redirected from johnsongrass)
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Related to johnsongrass: Sorghum halepense
Johnson grassor john·son·grass (jŏn′sən-grăs′)
A tall rhizomatous perennial grass (Sorghum halepense) native to the Mediterranean region, sometimes cultivated for forage but widespread as a weed.
[After William Johnson (died 1859), American agriculturalist.]
(Plants) a persistent perennial Mediterranean grass, Sorghum halepense, cultivated for hay and pasture in the US where it also grows as a weed. See also sorghum
[C19: named after William Johnson (died 1859), American agriculturalist who introduced it]
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|Noun||1.||Johnson grass - tall perennial grass that spreads by creeping rhizomes and is grown for fodder; naturalized in southern United States where it is a serious pest on cultivated land|
sorghum - economically important Old World tropical cereal grass