Vigna unguiculata vs cowpea plant

Vigna unguiculata and cowpea plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vigna unguiculata	Yes	No	No	No
cowpea plant	Yes	No	No	No

As nouns, Vigna unguiculata and cowpea plant are synonyms defined as:

Vigna unguiculata and cowpea plant: sprawling Old World annual cultivated especially in southern United States for food and forage and green manure

Other synonyms of Vigna unguiculata include black-eyed pea, cowpea, Vigna sinensis.

Vigna unguiculata (noun)	cowpea plant (noun)
sprawling Old World annual cultivated especially in southern United States for food and forage and green manure	sprawling Old World annual cultivated especially in southern United States for food and forage and green manure