[syn: Joe-Pye weed, spotted Joe-Pye weed, Eupatorium maculatum]
The Collaborative International Dictionary of English v.0.48:
Joe-Pye weed \Joe`-Pye" weed`\ (Bot.)
A tall composite plant of the genus Eupatorium (Eupatorium
purpureum), with purplish flowers, and whorled leaves.
[1913 Webster]
WordNet (r) 3.0 (2006):
Joe-Pye weed
n 1: North American herb having whorled leaves and terminal
clusters of flowers spotted with purple [syn: Joe-Pye
weed, purple boneset, trumpet weed, marsh milkweed,
Eupatorium purpureum]
2: North American herb having whorled leaves and terminal
clusters of small pinkish or purple flower heads [syn: Joe-
Pye weed, spotted Joe-Pye weed, Eupatorium maculatum]