spicebush vs Calycanthus occidentalis

spicebush and Calycanthus occidentalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
spicebush	Yes	No	No	No
Calycanthus occidentalis	Yes	No	No	No

As nouns, spicebush and Calycanthus occidentalis are synonyms defined as:

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

Other synonyms of spicebush include California allspice.

spicebush (noun)	Calycanthus occidentalis (noun)
deciduous shrub of the eastern United States having highly aromatic leaves and bark and yellow flowers followed by scarlet or yellow berries	straggling aromatic shrub of southwestern United States having fragrant brown flowers
straggling aromatic shrub of southwestern United States having fragrant brown flowers