Castanea sativa vs European chestnut

Castanea sativa and European chestnut both are nouns.

Word	Noun	Adjective	Verb	Adverb
Castanea sativa	Yes	No	No	No
European chestnut	Yes	No	No	No

As nouns, Castanea sativa and European chestnut are synonyms defined as:

Castanea sativa and European chestnut: wild or cultivated throughout southern Europe, northwestern Africa and southwestern Asia

Other synonyms of Castanea sativa include Spanish chestnut, sweet chestnut.

Castanea sativa (noun)	European chestnut (noun)
wild or cultivated throughout southern Europe, northwestern Africa and southwestern Asia	wild or cultivated throughout southern Europe, northwestern Africa and southwestern Asia