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red trillium, toadshade, sessile trillium, Trillium sessile | trillium of northeastern United States with sessile leaves and red or purple flowers having a pungent odor | |
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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 |