green gentian vs Swertia speciosa

green gentian and Swertia speciosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
green gentian	Yes	No	No	No
Swertia speciosa	Yes	No	No	No

As nouns, green gentian and Swertia speciosa are synonyms defined as:

green gentian and Swertia speciosa: tall herb with panicles of white flowers flushed with green; northwestern United States; sometimes placed in genus Swertia

Other synonyms of green gentian include Frasera speciosa.

green gentian (noun)	Swertia speciosa (noun)
tall herb with panicles of white flowers flushed with green; northwestern United States; sometimes placed in genus Swertia	tall herb with panicles of white flowers flushed with green; northwestern United States; sometimes placed in genus Swertia