| mistflower 
 
 rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers;
 sometimes placed in genus Eupatorium
 • Syn:
 mist-flower, ageratum, Conoclinium coelestinum, Eupatorium coelestinum
 • Hypernyms:
 flower
 • Member Holonyms:
 Conoclinium, genus Conoclinium
 
 
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