oval kumquat vs Fortunella margarita

oval kumquat and Fortunella margarita both are nouns.

Word	Noun	Adjective	Verb	Adverb
oval kumquat	Yes	No	No	No
Fortunella margarita	Yes	No	No	No

As nouns, oval kumquat and Fortunella margarita are synonyms defined as:

oval kumquat and Fortunella margarita: shrub bearing oval-fruited kumquats

Other synonyms of oval kumquat include nagami, nagami kumquat.

oval kumquat (noun)	Fortunella margarita (noun)
shrub bearing oval-fruited kumquats	shrub bearing oval-fruited kumquats