Calycanthus occidentalis vs California allspice

Calycanthus occidentalis and California allspice both are nouns.

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

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

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

Other synonyms of Calycanthus occidentalis include spicebush.

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