Capsicum annuum longum vs red pepper

Capsicum annuum longum and red pepper both are nouns.

Word	Noun	Adjective	Verb	Adverb
Capsicum annuum longum	Yes	No	No	No
red pepper	Yes	No	No	No

Capsicum annuum longum (noun)	red pepper (noun)
plant bearing very hot and finely tapering long peppers; usually red	ground pods and seeds of pungent red peppers of the genus Capsicum
	very hot red peppers; usually long and thin; some very small