Capparis mitchellii vs native orange

Capparis mitchellii and native orange both are nouns.

Word	Noun	Adjective	Verb	Adverb
Capparis mitchellii	Yes	No	No	No
native orange	Yes	No	No	No

As nouns, Capparis mitchellii and native orange are synonyms defined as:

Capparis mitchellii and native orange: small Australian tree bearing edible dark purple fruit

Capparis mitchellii (noun)	native orange (noun)
small Australian tree bearing edible dark purple fruit	small Australian tree bearing edible dark purple fruit