red baneberry vs baneberry

red baneberry and baneberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
red baneberry	Yes	No	No	No
baneberry	Yes	No	No	No

As nouns, baneberry is a hypernym of red baneberry; that is, baneberry is a word with a broader meaning than red baneberry:

red baneberry: North American perennial herb with alternately compound leaves and racemes of small white flowers followed by bright red oval poisonous berries
baneberry: a plant of the genus Actaea having acrid poisonous berries

Other hypernyms of red baneberry include cohosh, herb Christopher.

red baneberry (noun)	baneberry (noun)
North American perennial herb with alternately compound leaves and racemes of small white flowers followed by bright red oval poisonous berries	a plant of the genus Actaea having acrid poisonous berries
	a poisonous berry of a plant of the genus Actaea