ageratum definition

  • noun:
    • Any of various "" new world "" plants of the genus Ageratum within the composite family members, particularly A. houstonianum, having showy, colorful rose minds.
    • any one of many flowers having flower clusters much like the ageratum.
    • Any of the genus Ageratum of exotic United states natural herbs, annuals and perennials, through the sunflower family Asteraceae, tribe Eupatorieae; they've been occasionally utilized in floral shows.
    • A genus of flowers, normal order Composit√¶, all-american and mainly tropical, nearly allied to Eupatorium.
    • rhizomatous plant of central and southeastern United States and West Indies having huge showy heads of clear blue plants; occasionally put into genus Eupatorium
    • any plant associated with genus Ageratum having contrary leaves and small minds of blue or white flowers

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