Primula sinensis vs primrose

Primula sinensis and primrose both are nouns.

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

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

Primula sinensis: cultivated Asiatic primrose
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 sinensis include primula.

Primula sinensis (noun)	primrose (noun)
cultivated Asiatic primrose	any of numerous short-stemmed plants of the genus Primula having tufted basal leaves and showy flowers clustered in umbels or heads