Japanese andromeda vs Pieris japonica

Japanese andromeda and Pieris japonica both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese andromeda	Yes	No	No	No
Pieris japonica	Yes	No	No	No

As nouns, Japanese andromeda and Pieris japonica are synonyms defined as:

Japanese andromeda and Pieris japonica: broad-leaved evergreen Asiatic shrub with glossy leaves and drooping clusters of white flowers

Other synonyms of Japanese andromeda include andromeda, lily-of-the-valley tree.

Japanese andromeda (noun)	Pieris japonica (noun)
broad-leaved evergreen Asiatic shrub with glossy leaves and drooping clusters of white flowers	broad-leaved evergreen Asiatic shrub with glossy leaves and drooping clusters of white flowers