purple boneset vs Eupatorium purpureum

purple boneset and Eupatorium purpureum both are nouns.

Word	Noun	Adjective	Verb	Adverb
purple boneset	Yes	No	No	No
Eupatorium purpureum	Yes	No	No	No

As nouns, purple boneset and Eupatorium purpureum are synonyms defined as:

purple boneset and Eupatorium purpureum: North American herb having whorled leaves and terminal clusters of flowers spotted with purple

Other synonyms of purple boneset include Joe-Pye weed, marsh milkweed, trumpet weed.

purple boneset (noun)	Eupatorium purpureum (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 flowers spotted with purple