Clematis verticillaris vs purple virgin's bower

Clematis verticillaris and purple virgin's bower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Clematis verticillaris	Yes	No	No	No
purple virgin's bower	Yes	No	No	No

As nouns, Clematis verticillaris and purple virgin's bower are synonyms defined as:

Clematis verticillaris and purple virgin's bower: climber of northeastern North America having waxy purplish-blue flowers

Other synonyms of Clematis verticillaris include mountain clematis, purple clematis.

Clematis verticillaris (noun)	purple virgin's bower (noun)
climber of northeastern North America having waxy purplish-blue flowers	climber of northeastern North America having waxy purplish-blue flowers