roast beef plant vs gladdon

roast beef plant and gladdon both are nouns.

Word	Noun	Adjective	Verb	Adverb
roast beef plant	Yes	No	No	No
gladdon	Yes	No	No	No

As nouns, roast beef plant and gladdon are synonyms defined as:

roast beef plant and gladdon: iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa

Other synonyms of roast beef plant include gladdon iris, Iris foetidissima, stinking gladwyn, stinking iris.

roast beef plant (noun)	gladdon (noun)
iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa	iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa