prairie trillium


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Related to prairie trillium: Trillium sessile, Trillium grandiflorum, Jack in the Pulpit
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Noun1.prairie trillium - trillium of central United States having dark purple sessile flowersprairie trillium - trillium of central United States having dark purple sessile flowers
trillium, wake-robin, wood lily - any liliaceous plant of the genus Trillium having a whorl of three leaves at the top of the stem with a single three-petaled flower