Erythroxylon coca vs coca plant

Erythroxylon coca and coca plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erythroxylon coca	Yes	No	No	No
coca plant	Yes	No	No	No

As nouns, Erythroxylon coca and coca plant are synonyms defined as:

Erythroxylon coca and coca plant: a South American shrub whose leaves are chewed by natives of the Andes; a source of cocaine

Other synonyms of Erythroxylon coca include coca.

Erythroxylon coca (noun)	coca plant (noun)
a South American shrub whose leaves are chewed by natives of the Andes; a source of cocaine	a South American shrub whose leaves are chewed by natives of the Andes; a source of cocaine