Jamaica bayberry vs bayberry

Jamaica bayberry and bayberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jamaica bayberry	Yes	No	No	No
bayberry	Yes	No	No	No

As nouns, Jamaica bayberry and bayberry are synonyms defined as:

Other synonyms of Jamaica bayberry include bay-rum tree, Pimenta acris, wild cinnamon.

Jamaica bayberry (noun)	bayberry (noun)
West Indian tree; source of bay rum	West Indian tree; source of bay rum
	deciduous aromatic shrub of eastern North America with grey-green wax-coated berries