natal plum vs hedge thorn

natal plum and hedge thorn both are nouns.

Word	Noun	Adjective	Verb	Adverb
natal plum	Yes	No	No	No
hedge thorn	Yes	No	No	No

As nouns, natal plum and hedge thorn are synonyms defined as:

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

Other synonyms of natal plum include Carissa bispinosa.

natal plum (noun)	hedge thorn (noun)
edible scarlet plumlike fruit of a South African plant	South African shrub having forked spines and plumlike fruit; frequently used as hedging
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