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Definition of Ageratum
1. Noun. Rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium.
Exact synonyms: Conoclinium Coelestinum, Eupatorium Coelestinum, Mist-flower, Mistflower
Generic synonyms: Flower
Group relationships: Conoclinium, Genus Conoclinium
Generic synonyms: Flower
Group relationships: Conoclinium, Genus Conoclinium
2. Noun. Any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers.
Generic synonyms: Flower
Group relationships: Genus Ageratum
Specialized synonyms: Ageratum Houstonianum, Common Ageratum
Group relationships: Genus Ageratum
Specialized synonyms: Ageratum Houstonianum, Common Ageratum
Definition of Ageratum
1. n. A genus of plants, one species of which (A. Mexicanum) has lavender- blue flowers in dense clusters.
Definition of Ageratum
1. a flowering plant [n -S]
Medical Definition of Ageratum
1.