Polanisia graveolens vs clammyweed

Polanisia graveolens and clammyweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Polanisia graveolens	Yes	No	No	No
clammyweed	Yes	No	No	No

As nouns, Polanisia graveolens and clammyweed are synonyms defined as:

Polanisia graveolens and clammyweed: strong-scented herb common in southern United States covered with intermixed gland and hairs

Other synonyms of Polanisia graveolens include Polanisia dodecandra.

Polanisia graveolens (noun)	clammyweed (noun)
strong-scented herb common in southern United States covered with intermixed gland and hairs	strong-scented herb common in southern United States covered with intermixed gland and hairs