 They are falcate (sickle-shaped) or sword-shaped, and linear, and long and 10–8 mm wide.After flowering, the leaves elongate up to long and 10 mm wide.When the plant is not in flower, the leaves of the iris might be confused with false asphodel, ("Triantha glutinosa", a white flowered member of the lily family whose leaves are much narrower) which lives in similar habitats.