Noun: ageratum ,a-ju'rey-tum
- Any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers
"The ageratum's fluffy blue flowers added a soft touch to the border"
- Rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium
"ageratum attracts butterflies to gardens";
- mistflower, mist-flower, Conoclinium coelestinum, Eupatorium coelestinum
Derived forms: ageratums
Type of: flower
Part of: Conoclinium, genus Ageratum, genus Conoclinium
Encyclopedia: Ageratum