Lathyrus tuberosus vs heath pea

Lathyrus tuberosus and heath pea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lathyrus tuberosus	Yes	No	No	No
heath pea	Yes	No	No	No

As nouns, Lathyrus tuberosus and heath pea are synonyms defined as:

Lathyrus tuberosus and heath pea: European herb bearing small tubers used for food and in Scotland to flavor whiskey

Other synonyms of Lathyrus tuberosus include earth-nut pea, earthnut pea, tuberous vetch.

Lathyrus tuberosus (noun)	heath pea (noun)
European herb bearing small tubers used for food and in Scotland to flavor whiskey	European herb bearing small tubers used for food and in Scotland to flavor whiskey