stinking gladwyn vs roast beef plant

stinking gladwyn and roast beef plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinking gladwyn	Yes	No	No	No
roast beef plant	Yes	No	No	No

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

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

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

stinking gladwyn (noun)	roast beef plant (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