butterfly flower vs schizanthus

butterfly flower and schizanthus both are nouns.

Word	Noun	Adjective	Verb	Adverb
butterfly flower	Yes	No	No	No
schizanthus	Yes	No	No	No

As nouns, butterfly flower and schizanthus are synonyms defined as:

butterfly flower and schizanthus: any plant of the genus Schizanthus having finely divided leaves and showy variegated flowers

Other synonyms of butterfly flower include poor man's orchid.

butterfly flower (noun)	schizanthus (noun)
any plant of the genus Schizanthus having finely divided leaves and showy variegated flowers	any plant of the genus Schizanthus having finely divided leaves and showy variegated flowers
shrub or small tree of Dutch Guiana having clusters of pink flowers streaked with purple