Oriental arborvitae vs Platycladus orientalis

Oriental arborvitae and Platycladus orientalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oriental arborvitae	Yes	No	No	No
Platycladus orientalis	Yes	No	No	No

As nouns, Oriental arborvitae and Platycladus orientalis are synonyms defined as:

Oriental arborvitae and Platycladus orientalis: Asiatic shrub or small tree widely planted in United States and Europe; in some classifications assigned to its own genus

Other synonyms of Oriental arborvitae include Thuja orientalis.

Oriental arborvitae (noun)	Platycladus orientalis (noun)
Asiatic shrub or small tree widely planted in United States and Europe; in some classifications assigned to its own genus	Asiatic shrub or small tree widely planted in United States and Europe; in some classifications assigned to its own genus