common unicorn plant vs proboscis flower

common unicorn plant and proboscis flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
common unicorn plant	Yes	No	No	No
proboscis flower	Yes	No	No	No

As nouns, common unicorn plant and proboscis flower are synonyms defined as:

common unicorn plant and proboscis flower: annual of southern United States to Mexico having large whitish or yellowish flowers mottled with purple and a long curving beak

Other synonyms of common unicorn plant include common devil's claw, devil's claw, elephant-tusk, Proboscidea louisianica, ram's horn.

common unicorn plant (noun)	proboscis flower (noun)
annual of southern United States to Mexico having large whitish or yellowish flowers mottled with purple and a long curving beak	annual of southern United States to Mexico having large whitish or yellowish flowers mottled with purple and a long curving beak