noun
North American herb having whorled leaves and terminal clusters of flowers spotted with purple
• Syn: ↑Joe-Pye weed, ↑purple boneset, ↑trumpet weed, ↑marsh milkweed
• Hypernyms: ↑herb, ↑herbaceous plant
• Member Holonyms: ↑Eupatorium, ↑genus Eupatorium
Useful english dictionary. 2012.