Gentiana clausa vs closed gentian

Gentiana clausa and closed gentian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gentiana clausa	Yes	No	No	No
closed gentian	Yes	No	No	No

As nouns, Gentiana clausa and closed gentian are synonyms defined as:

Gentiana clausa and closed gentian: similar to Gentiana andrewsii but with larger flowers

Other synonyms of Gentiana clausa include blind gentian.

Gentiana clausa (noun)	closed gentian (noun)
similar to Gentiana andrewsii but with larger flowers	gentian of eastern North America having tubular blue or white flowers that open little if at all
	similar to Gentiana andrewsii but with larger flowers