crimson clover vs clover

crimson clover and clover both are nouns.

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

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

crimson 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 crimson clover include trefoil.

crimson 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