mountain ebony vs Bauhinia variegata

mountain ebony and Bauhinia variegata both are nouns.

Word	Noun	Adjective	Verb	Adverb
mountain ebony	Yes	No	No	No
Bauhinia variegata	Yes	No	No	No

As nouns, mountain ebony and Bauhinia variegata are synonyms defined as:

mountain ebony and Bauhinia variegata: small East Indian tree having orchid-like flowers and hard dark wood

Other synonyms of mountain ebony include orchid tree.

mountain ebony (noun)	Bauhinia variegata (noun)
small East Indian tree having orchid-like flowers and hard dark wood	small East Indian tree having orchid-like flowers and hard dark wood