proboscis flower vs common unicorn plant

proboscis flower and common unicorn plant both are nouns.

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

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

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

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

proboscis flower (noun)	common unicorn plant (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