sweet acacia vs Acacia farnesiana

sweet acacia and Acacia farnesiana both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet acacia	Yes	No	No	No
Acacia farnesiana	Yes	No	No	No

As nouns, sweet acacia and Acacia farnesiana are synonyms defined as:

sweet acacia and Acacia farnesiana: tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery

Other synonyms of sweet acacia include cassie, flame tree, huisache, mimosa bush, scented wattle, sweet wattle.

sweet acacia (noun)	Acacia farnesiana (noun)
tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery	tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery