cast-iron plant vs aspidistra

cast-iron plant and aspidistra both are nouns.

Word	Noun	Adjective	Verb	Adverb
cast-iron plant	Yes	No	No	No
aspidistra	Yes	No	No	No

As nouns, cast-iron plant and aspidistra are synonyms defined as:

cast-iron plant and aspidistra: evergreen perennial with large handsome basal leaves; grown primarily as a foliage houseplant

Other synonyms of cast-iron plant include Aspidistra elatio, bar-room plant.

cast-iron plant (noun)	aspidistra (noun)
evergreen perennial with large handsome basal leaves; grown primarily as a foliage houseplant	evergreen perennial with large handsome basal leaves; grown primarily as a foliage houseplant