Hibiscus farragei vs bush hibiscus

Hibiscus farragei and bush hibiscus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hibiscus farragei	Yes	No	No	No
bush hibiscus	Yes	No	No	No

As nouns, Hibiscus farragei and bush hibiscus are synonyms defined as:

Hibiscus farragei and bush hibiscus: southern and western Australian shrub with unlobed or shallowly lobed toothed leaves and purple flowers; sometimes placed in genus Hibiscus

Other synonyms of Hibiscus farragei include Radyera farragei.

Hibiscus farragei (noun)	bush hibiscus (noun)
southern and western Australian shrub with unlobed or shallowly lobed toothed leaves and purple flowers; sometimes placed in genus Hibiscus	southern and western Australian shrub with unlobed or shallowly lobed toothed leaves and purple flowers; sometimes placed in genus Hibiscus