Japanese poinsettia vs paint leaf

Japanese poinsettia and paint leaf both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese poinsettia	Yes	No	No	No
paint leaf	Yes	No	No	No

As nouns, Japanese poinsettia and paint leaf are synonyms defined as:

Japanese poinsettia and paint leaf: showy poinsettia found from the southern United States to Peru

Other synonyms of Japanese poinsettia include Euphorbia heterophylla, mole plant.

Japanese poinsettia (noun)	paint leaf (noun)
showy poinsettia found from the southern United States to Peru	showy poinsettia found from the southern United States to Peru