wheel tree vs firewheel tree

wheel tree and firewheel tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
wheel tree	Yes	No	No	No
firewheel tree	Yes	No	No	No

As nouns, wheel tree and firewheel tree are synonyms defined as:

wheel tree and firewheel tree: eastern Australian tree widely cultivated as a shade tree and for its glossy leaves and circular clusters of showy red to orange-scarlet flowers

Other synonyms of wheel tree include Stenocarpus sinuatus.

wheel tree (noun)	firewheel tree (noun)
eastern Australian tree widely cultivated as a shade tree and for its glossy leaves and circular clusters of showy red to orange-scarlet flowers	eastern Australian tree widely cultivated as a shade tree and for its glossy leaves and circular clusters of showy red to orange-scarlet flowers