| IR | diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening |
|---|---|
| IR | muscular diaphragm that controls the size of the pupil |
| IR | plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals |
| IR | low-growing summer-flowering iris of northeastern United States |
| IR | diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening |
| IR | large family of usually perennial geophytic herbs with rhizomes or corms or bulbs |
| IR | bulbous Spanish iris with red-violet flowers |
| IR | German iris having large white flowers with lavender-tinged falls and a fragrant rhizome |
| IR | iris with purple flowers and evil-smelling leaves |
| IR | a large iris with purple or white flowers, native to central and southern Europe |
| IR | German iris having large white flowers with lavender-tinged falls and a fragrant rhizome |
| IR | iris native to Japan having large showy flowers |