Eupatorium purpureum vs trumpet weed

Eupatorium purpureum and trumpet weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eupatorium purpureum	Yes	No	No	No
trumpet weed	Yes	No	No	No

As nouns, Eupatorium purpureum and trumpet weed are synonyms defined as:

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

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

Eupatorium purpureum (noun)	trumpet 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 flowers spotted with purple