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
同义词：trilliumwood lily
common American spring-flowering woodland herb having sheathing leaves and an upright club-shaped spadix with overarching green and purple spathe producing scarlet berries
N（名词）
any of various North American herbaceous plants of the genus Trillium, such as T. grandiflorum, having a whorl of three leaves and three-petalled solitary flowers: family Trilliaceae 延龄草