purple-flowering raspberry vs Rubus odoratus

purple-flowering raspberry and Rubus odoratus both are nouns.

Word	Noun	Adjective	Verb	Adverb
purple-flowering raspberry	Yes	No	No	No
Rubus odoratus	Yes	No	No	No

As nouns, purple-flowering raspberry and Rubus odoratus are synonyms defined as:

purple-flowering raspberry and Rubus odoratus: shrubby raspberry of eastern North America having showy rose to purplish flowers and red or orange thimble-shaped fruit

Other synonyms of purple-flowering raspberry include flowering raspberry, thimbleberry.

purple-flowering raspberry (noun)	Rubus odoratus (noun)
shrubby raspberry of eastern North America having showy rose to purplish flowers and red or orange thimble-shaped fruit	shrubby raspberry of eastern North America having showy rose to purplish flowers and red or orange thimble-shaped fruit