cast-iron plant vs Aspidistra elatio

cast-iron plant and Aspidistra elatio both are nouns.

Word	Noun	Adjective	Verb	Adverb
cast-iron plant	Yes	No	No	No
Aspidistra elatio	Yes	No	No	No

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

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

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

cast-iron plant (noun)	Aspidistra elatio (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