Bowiea volubilis vs climbing onion

Bowiea volubilis and climbing onion both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bowiea volubilis	Yes	No	No	No
climbing onion	Yes	No	No	No

As nouns, Bowiea volubilis and climbing onion are synonyms defined as:

Bowiea volubilis and climbing onion: much-branched leafless twining South African herb cultivated as an ornamental for its bright green stems growing from large aboveground bulbs

Bowiea volubilis (noun)	climbing onion (noun)
much-branched leafless twining South African herb cultivated as an ornamental for its bright green stems growing from large aboveground bulbs	much-branched leafless twining South African herb cultivated as an ornamental for its bright green stems growing from large aboveground bulbs