trillium(redirected from coughroot)
Also found in: Thesaurus, Medical, Encyclopedia.
Any of various plants of the genus Trillium, of North America, the Himalaya Mountains, and eastern Asia, having a whorl of three leaflike bracts and a usually white, reddish, or yellow three-petaled flower. Also called birthroot, wake-robin.
(Plants) any herbaceous plant of the genus Trillium, of Asia and North America, having a whorl of three leaves at the top of the stem with a single central white, pink, or purple three-petalled flower: family Trilliaceae
[C18: from New Latin, modification by Linnaeus of Swedish trilling triplet]
tril•li•um(ˈtrɪl i əm)
any of several plants belonging to the genus Trillium, of the lily family, having on the stem a whorl of three leaves and a solitary flower with three sepals and three petals.
[1750–60; < New Latin (Linnaeus), appar. alter. of Swedish trilling triplet]
Switch to new thesaurus
|Noun||1.||trillium - 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|
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 folk medicine especially to ease childbirth