Prunus cerasus austera vs morello

Prunus cerasus austera and morello both are nouns.

Word	Noun	Adjective	Verb	Adverb
Prunus cerasus austera	Yes	No	No	No
morello	Yes	No	No	No

As nouns, Prunus cerasus austera and morello are synonyms defined as:

Prunus cerasus austera and morello: any of several cultivated sour cherry trees bearing fruit with dark skin and juice

Prunus cerasus austera (noun)	morello (noun)
any of several cultivated sour cherry trees bearing fruit with dark skin and juice	cultivated sour cherry with dark-colored skin and juice
	any of several cultivated sour cherry trees bearing fruit with dark skin and juice