ageratum

Noun

ag=er=a=tum

WORDNET DICTIONARY

ageratum(n = noun.plant) conoclinium coelestinum, eupatorium coelestinum, mist-flower, 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;

is a kind of flower

is a member of conoclinium, genus conoclinium

ageratum(n = noun.plant) - any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers;

is a member of genus ageratum

has particulars: ageratum houstonianum, common ageratum

ageratum, prop. n. [NL., fr. Gr. 'agh`raton a sort of plant; 'a priv. + gh`ras old age.].

A genus of plants, one species of which (Ageratum Mexicanum) has lavender-blue flowers in dense clusters. [1913 Webster]