Eupatorium purpureum vs Joe-Pye weed

Eupatorium purpureum and Joe-Pye weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eupatorium purpureum	Yes	No	No	No
Joe-Pye weed	Yes	No	No	No

As nouns, Eupatorium purpureum and Joe-Pye weed are synonyms defined as:

Eupatorium purpureum and Joe-Pye weed: North American herb having whorled leaves and terminal clusters of flowers spotted with purple

Other synonyms of Eupatorium purpureum include marsh milkweed, purple boneset, trumpet weed.

Eupatorium purpureum (noun)	Joe-Pye weed (noun)
North American herb having whorled leaves and terminal clusters of flowers spotted with purple	North American herb having whorled leaves and terminal clusters of small pinkish or purple flower heads
	North American herb having whorled leaves and terminal clusters of flowers spotted with purple