purple clematis vs purple virgin's bower

purple clematis and purple virgin's bower both are nouns.

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

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

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

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

purple clematis (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