Gentiana quinquefolia vs five-flowered gentian

Gentiana quinquefolia and five-flowered gentian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gentiana quinquefolia	Yes	No	No	No
five-flowered gentian	Yes	No	No	No

As nouns, Gentiana quinquefolia and five-flowered gentian are synonyms defined as:

Gentiana quinquefolia and five-flowered gentian: gentian of eastern North America having clusters of bristly blue flowers

Other synonyms of Gentiana quinquefolia include ague weed, agueweed, Gentianella quinquefolia, stiff gentian.

Gentiana quinquefolia (noun)	five-flowered gentian (noun)
gentian of eastern North America having clusters of bristly blue flowers	gentian of eastern North America having clusters of bristly blue flowers