ageratum

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noun ag·er·a·tum \ˌa-jə-ˈrā-təm\

Definition of ageratum

plural

ageratum

also

ageratums

  1. :  any of a genus (Ageratum) of annual tropical American composite herbs often cultivated for their small showy heads of usually blue or white flowers; also :  a related blue-flowered perennial (Eupatorium coelestinum)

Origin and Etymology of ageratum

New Latin, genus name, from Greek agēratos ageless, from a- + gēras old age — more at geront-


First Known Use: circa 1737


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