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Noun: ageratum  ,a-ju'rey-tum
  1. Rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium
    - mistflower, mist-flower, Conoclinium coelestinum, Eupatorium coelestinum
  2. Any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers

Derived forms: ageratums

Type of: flower

Part of: Conoclinium, genus Ageratum, genus Conoclinium

Encyclopedia: Ageratum