Iridāˈceae /i-rid-āˈsi-ē, ī-/ plural noun

The iris family, distinguished from lilies by their inferior ovary and single whorl of stamens (also Iridˈeae)

iridaceous /i-rid-āˈshəs or ī-/ or iridˈeal adjective

Belonging to the Iridaceae

iˈridal, iridˈial or iridˈian adjective

Relating to the iris of the eye