Illinois Trilliums
Trillium recurvatum: Molted leaves, sessile usually maroon flowers, leaves taper to a petiole, sepals hang down from flower
Trillium erectum: maroon or white with maroon ovary nodding flower held above leaves
Trillium sessile: leaves sessile, sepals above leaves, sessile maroon flowers
Trillium grandiflorum: large white flower held above on a short stalk, to side but not drooping
Trillium flexipes: white flower held drooping on a short stalk just above or below leaves
Trillium nivale: 2-4in tall (smaller than other white trillium) white flower on short petiole, more ovate leaves base rounder than tip
