gladdon vs gladdon iris

gladdon and gladdon iris both are nouns.

Word	Noun	Adjective	Verb	Adverb
gladdon	Yes	No	No	No
gladdon iris	Yes	No	No	No

As nouns, gladdon and gladdon iris are synonyms defined as:

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

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

gladdon (noun)	gladdon iris (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