1. 雾花泽兰：雾虹fogbow | 雾花泽兰mistflower | 雾化良好的wellatomized
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noun
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
Synonym: mist-flower ageratum Conoclinium coelestinum Eupatorium coelestinum