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
object: a tangible and visible entity; an entity that can cast a shadow
fringed grass of parnassus: bog plant with broadly heart-shaped basal leaves and cream-colored or white saucer-shaped flowers with fringed petals; west of Rocky Mountains from Alaska to New Mexico