Bauhinia variegata vs orchid tree

Bauhinia variegata and orchid tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bauhinia variegata	Yes	No	No	No
orchid tree	Yes	No	No	No

As nouns, Bauhinia variegata and orchid tree are synonyms defined as:

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

Other synonyms of Bauhinia variegata include mountain ebony.

Bauhinia variegata (noun)	orchid tree (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