California allspice vs Calycanthus occidentalis

California allspice and Calycanthus occidentalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
California allspice	Yes	No	No	No
Calycanthus occidentalis	Yes	No	No	No

As nouns, California allspice and Calycanthus occidentalis are synonyms defined as:

California allspice and Calycanthus occidentalis: straggling aromatic shrub of southwestern United States having fragrant brown flowers

Other synonyms of California allspice include spicebush.

California allspice (noun)	Calycanthus occidentalis (noun)
straggling aromatic shrub of southwestern United States having fragrant brown flowers	straggling aromatic shrub of southwestern United States having fragrant brown flowers