Trifolium pratense vs purple clover

Trifolium pratense and purple clover both are nouns.

Word	Noun	Adjective	Verb	Adverb
Trifolium pratense	Yes	No	No	No
purple clover	Yes	No	No	No

As nouns, Trifolium pratense and purple clover are synonyms defined as:

Trifolium pratense and purple clover: erect to decumbent short-lived perennial having red-purple to pink flowers; the most commonly grown forage clover

Other synonyms of Trifolium pratense include red clover.

Trifolium pratense (noun)	purple clover (noun)
erect to decumbent short-lived perennial having red-purple to pink flowers; the most commonly grown forage clover	erect to decumbent short-lived perennial having red-purple to pink flowers; the most commonly grown forage clover