ageratum
1. [ noun ] (botany) rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium
Synonyms: Conoclinium_coelestinum Eupatorium_coelestinum mist-flower mistflower
Related terms: flower Conoclinium
2. [ noun ] (botany) any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers
Related terms: flower common_ageratum genus_Ageratum
Similar spelling:   ague_root
  Ageratina