Gardenia augusta vs Gardenia jasminoides

Gardenia augusta and Gardenia jasminoides both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gardenia augusta	Yes	No	No	No
Gardenia jasminoides	Yes	No	No	No

As nouns, Gardenia augusta and Gardenia jasminoides are synonyms defined as:

Gardenia augusta and Gardenia jasminoides: evergreen shrub widely cultivated for its large fragrant waxlike white flowers and glossy leaves

Other synonyms of Gardenia augusta include cape jasmine, cape jessamine.

Gardenia augusta (noun)	Gardenia jasminoides (noun)
evergreen shrub widely cultivated for its large fragrant waxlike white flowers and glossy leaves	evergreen shrub widely cultivated for its large fragrant waxlike white flowers and glossy leaves