sessile trillium(n = noun.plant) red trillium, toadshade, trillium sessile - trillium of northeastern United States with sessile leaves and red or purple flowers having a pungent odor;
is a kind of trillium, wake-robin, wood lily

dwarf-white trillium, genus trillium, prairie trillium, purple trillium, red trillium, sessile, sessile polyp, snow trillium, trillium, trillium erectum, trillium family, trillium recurvatum, trillium sessile