tree heath vs Richea pandanifolia

tree heath and Richea pandanifolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
tree heath	Yes	No	No	No
Richea pandanifolia	Yes	No	No	No

As nouns, tree heath and Richea pandanifolia are synonyms defined as:

tree heath and Richea pandanifolia: gaunt Tasmanian evergreen shrubby tree with slender tapering leaves 3 to 5 feet long

Other synonyms of tree heath include grass tree.

tree heath (noun)	Richea pandanifolia (noun)
evergreen treelike Mediterranean shrub having fragrant white flowers in large terminal panicles and hard woody roots used to make tobacco pipes	gaunt Tasmanian evergreen shrubby tree with slender tapering leaves 3 to 5 feet long
gaunt Tasmanian evergreen shrubby tree with slender tapering leaves 3 to 5 feet long