Canada violet vs tall white violet

Canada violet and tall white violet both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canada violet	Yes	No	No	No
tall white violet	Yes	No	No	No

As nouns, Canada violet and tall white violet are synonyms defined as:

Canada violet and tall white violet: tall North American perennial with heart-shaped leaves and white flowers with purple streaks

Other synonyms of Canada violet include Viola canadensis, white violet.

Canada violet (noun)	tall white violet (noun)
tall North American perennial with heart-shaped leaves and white flowers with purple streaks	tall North American perennial with heart-shaped leaves and white flowers with purple streaks