ivory tree vs Holarrhena pubescens

ivory tree and Holarrhena pubescens both are nouns.

Word	Noun	Adjective	Verb	Adverb
ivory tree	Yes	No	No	No
Holarrhena pubescens	Yes	No	No	No

As nouns, ivory tree and Holarrhena pubescens are synonyms defined as:

ivory tree and Holarrhena pubescens: tropical Asian tree with hard white wood and bark formerly used as a remedy for dysentery and diarrhea

Other synonyms of ivory tree include conessi, Holarrhena antidysenterica, kurchee, kurchi.

ivory tree (noun)	Holarrhena pubescens (noun)
tropical Asian tree with hard white wood and bark formerly used as a remedy for dysentery and diarrhea	tropical Asian tree with hard white wood and bark formerly used as a remedy for dysentery and diarrhea