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|Noun||1.||genus Trillium - deciduous perennial herbs; sometimes placed in family Liliaceae|
liliid monocot genus - genus of monocotyledonous plants comprising mostly herbs having usually petaloid sepals and petals and compound pistils
family Trilliaceae, Trilliaceae, trillium family - small family of herbs having flowers with 3 petals and 3 sepals; in some classification systems considered a subfamily of the Liliaceae