red trillium, toadshade, sessile trillium, Trillium sessile -- (trillium of northeastern United States with sessile leaves and red or purple flowers having a pungent odor)
purple trillium, red trillium, birthroot, Trillium erectum -- (trillium of eastern North America having malodorous pink to purple flowers and an astringent root used in folk medicine especially to ease childbirth)