from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A perennial plant (Eupatorium coelestinum) of the southeast and central United States, having corymbs of small blue flowers.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium
Sorry, no etymologies found.