Ageratum meaning

ăjə-rātəm
Any of various tropical American plants of the genus Ageratum in the composite family, especially A. houstonianum, cultivated for their fluffy blue, purple, pink, or white flower heads.
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Any of several other plants having flower clusters similar to those of ageratum.
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Any of several plants (genus Ageratum) of the composite family with small, thick heads of usually bluish flowers: widely used as border plants in gardens.
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(uncountable) Any of the genus Ageratum of tropical American herbs, annuals and perennials, from the sunflower family Asteraceae, tribe Eupatorieae; they are sometimes used in floral displays.
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Origin of ageratum

  • New Latin Agēratum genus name from Greek agēraton a plant (perhaps a type of rosemary) neuter of agēratos ageless a- without a–1 gēras old age gerə-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From the genus name.

    From Wiktionary