Carissa bispinosa vs natal plum

Carissa bispinosa and natal plum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carissa bispinosa	Yes	No	No	No
natal plum	Yes	No	No	No

As nouns, Carissa bispinosa and natal plum are synonyms defined as:

Carissa bispinosa and natal plum: South African shrub having forked spines and plumlike fruit; frequently used as hedging

Other synonyms of Carissa bispinosa include hedge thorn.

Carissa bispinosa (noun)	natal plum (noun)
South African shrub having forked spines and plumlike fruit; frequently used as hedging	edible scarlet plumlike fruit of a South African plant
	very large closely branched South African shrub having forked bright green spines and shiny leaves
	South African shrub having forked spines and plumlike fruit; frequently used as hedging