Phoenix dactylifera vs date palm

Phoenix dactylifera and date palm both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phoenix dactylifera	Yes	No	No	No
date palm	Yes	No	No	No

As nouns, Phoenix dactylifera and date palm are synonyms defined as:

Phoenix dactylifera and date palm: tall tropical feather palm tree native to Syria bearing sweet edible fruit

Phoenix dactylifera (noun)	date palm (noun)
tall tropical feather palm tree native to Syria bearing sweet edible fruit	tall tropical feather palm tree native to Syria bearing sweet edible fruit