Ambient light significantly influences the structural and physiological characteristics of Iris pumila leaves. A random sample of Iris clones native to an exposed site at the Deliblato Sands. Serbia was partially covered with a neutral screen that transmitted 35% of daylight. so that each clone experienced reduced and full sunlight at the same time. https://www.roneverhart.com/Annie-Brocoli-Noel-en-spectacle/