Primula auricula vs primrose

Primula auricula and primrose both are nouns.

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

As nouns, primrose is a hypernym of Primula auricula; that is, primrose is a word with a broader meaning than Primula auricula:

Primula auricula: yellow-flowered primrose native to Alps; commonly cultivated
primrose: any of numerous short-stemmed plants of the genus Primula having tufted basal leaves and showy flowers clustered in umbels or heads

Other hypernyms of Primula auricula include primula.

Primula auricula (noun)	primrose (noun)
yellow-flowered primrose native to Alps; commonly cultivated	any of numerous short-stemmed plants of the genus Primula having tufted basal leaves and showy flowers clustered in umbels or heads