Parochetus communis vs shamrock pea

Parochetus communis and shamrock pea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Parochetus communis	Yes	No	No	No
shamrock pea	Yes	No	No	No

As nouns, Parochetus communis and shamrock pea are synonyms defined as:

Parochetus communis and shamrock pea: trailing trifoliate Asiatic and African herb having cobalt blue flowers

Parochetus communis (noun)	shamrock pea (noun)
trailing trifoliate Asiatic and African herb having cobalt blue flowers	trailing trifoliate Asiatic and African herb having cobalt blue flowers