Primula auricula vs auricula

Primula auricula and auricula both are nouns.

Word	Noun	Adjective	Verb	Adverb
Primula auricula	Yes	No	No	No
auricula	Yes	No	No	No

As nouns, Primula auricula and auricula are synonyms defined as:

Primula auricula and auricula: yellow-flowered primrose native to Alps; commonly cultivated

Other synonyms of Primula auricula include bear's ear.

Primula auricula (noun)	auricula (noun)
yellow-flowered primrose native to Alps; commonly cultivated	a pouch projecting from the top front of each atrium of the heart
	yellow-flowered primrose native to Alps; commonly cultivated