calathian violet vs marsh gentian

calathian violet and marsh gentian both are nouns.

Word	Noun	Adjective	Verb	Adverb
calathian violet	Yes	No	No	No
marsh gentian	Yes	No	No	No

As nouns, calathian violet and marsh gentian are synonyms defined as:

calathian violet and marsh gentian: perennial Eurasian gentian with sky-blue funnel-shaped flowers of damp open heaths

Other synonyms of calathian violet include Gentiana pneumonanthe.

calathian violet (noun)	marsh gentian (noun)
perennial Eurasian gentian with sky-blue funnel-shaped flowers of damp open heaths	perennial Eurasian gentian with sky-blue funnel-shaped flowers of damp open heaths