Primula veris vs primula

Primula veris and primula both are nouns.

Word	Noun	Adjective	Verb	Adverb
Primula veris	Yes	No	No	No
primula	Yes	No	No	No

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

Primula veris: early spring flower common in British isles having fragrant yellow or sometimes purple flowers
primula: 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 veris include primrose.

Primula veris (noun)	primula (noun)
early spring flower common in British isles having fragrant yellow or sometimes purple flowers	any of numerous short-stemmed plants of the genus Primula having tufted basal leaves and showy flowers clustered in umbels or heads