tree poppy vs bush poppy

tree poppy and bush poppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
tree poppy	Yes	No	No	No
bush poppy	Yes	No	No	No

As nouns, tree poppy and bush poppy are synonyms defined as:

tree poppy and bush poppy: evergreen shrub of southwestern United States and Mexico often cultivated for its fragrant golden yellow flowers

tree poppy (noun)	bush poppy (noun)
evergreen shrub of southwestern United States and Mexico often cultivated for its fragrant golden yellow flowers	evergreen shrub of southwestern United States and Mexico often cultivated for its fragrant golden yellow flowers