liliaceous plant - plant growing from a bulb or corm or rhizome or tuber

genus Trillium - deciduous perennial herbs; sometimes placed in family Liliaceae

prairie trillium, prairie wake-robin, Trillium recurvatum - trillium of central United States having dark purple sessile flowers

dwarf-white trillium, early wake-robin, snow trillium - a low perennial white-flowered trillium found in the southeastern United States

birthroot, purple trillium, Trillium erectum, red trillium - trillium of eastern North America having malodorous pink to purple flowers and an astringent root used in fold medicine especially to ease childbirth

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

lily - any liliaceous plant of the genus Lilium having showy pendulous flowers