Italian clover vs clover

Italian clover and clover both are nouns.

Word	Noun	Adjective	Verb	Adverb
Italian clover	Yes	No	No	No
clover	Yes	No	No	No

As nouns, clover is a hypernym of Italian clover; that is, clover is a word with a broader meaning than Italian clover:

Italian clover: southern European annual with spiky heads of crimson flower; extensively cultivated in United States for forage
clover: a plant of the genus Trifolium

Other hypernyms of Italian clover include trefoil.

Italian clover (noun)	clover (noun)
southern European annual with spiky heads of crimson flower; extensively cultivated in United States for forage	a plant of the genus Trifolium