common unicorn plant vs Proboscidea louisianica

common unicorn plant and Proboscidea louisianica both are nouns.

Word	Noun	Adjective	Verb	Adverb
common unicorn plant	Yes	No	No	No
Proboscidea louisianica	Yes	No	No	No

As nouns, common unicorn plant and Proboscidea louisianica are synonyms defined as:

common unicorn plant and Proboscidea louisianica: 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, proboscis flower, ram's horn.

common unicorn plant (noun)	Proboscidea louisianica (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