devil's walking stick vs Aralia spinosa

devil's walking stick and Aralia spinosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
devil's walking stick	Yes	No	No	No
Aralia spinosa	Yes	No	No	No

As nouns, devil's walking stick and Aralia spinosa are synonyms defined as:

devil's walking stick and Aralia spinosa: small deciduous clump-forming tree or shrub of eastern United States

Other synonyms of devil's walking stick include American angelica tree, Hercules'-club.

devil's walking stick (noun)	Aralia spinosa (noun)
small deciduous clump-forming tree or shrub of eastern United States	small deciduous clump-forming tree or shrub of eastern United States