blackthorn vs Prunus spinosa

blackthorn and Prunus spinosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
blackthorn	Yes	No	No	No
Prunus spinosa	Yes	No	No	No

As nouns, blackthorn and Prunus spinosa are synonyms defined as:

blackthorn and Prunus spinosa: a thorny Eurasian bush with plumlike fruits

Other synonyms of blackthorn include sloe.

blackthorn (noun)	Prunus spinosa (noun)
erect and almost thornless American hawthorn with somewhat pear-shaped berries	a thorny Eurasian bush with plumlike fruits
a thorny Eurasian bush with plumlike fruits