saucer magnolia vs Chinese magnolia

saucer magnolia and Chinese magnolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
saucer magnolia	Yes	No	No	No
Chinese magnolia	Yes	No	No	No

As nouns, saucer magnolia and Chinese magnolia are synonyms defined as:

saucer magnolia and Chinese magnolia: large deciduous shrub or small tree having large open rosy to purplish flowers; native to Asia; prized as an ornamental in eastern North America

Other synonyms of saucer magnolia include Magnolia soulangiana.

saucer magnolia (noun)	Chinese magnolia (noun)
large deciduous shrub or small tree having large open rosy to purplish flowers; native to Asia; prized as an ornamental in eastern North America	large deciduous shrub or small tree having large open rosy to purplish flowers; native to Asia; prized as an ornamental in eastern North America