1) Family trilliaceae 2) Liliid monocot family 3) Trillium family 
Trilliaceae is the botanical name of a family of flowering plants. The family has been recognised as distinct since 1846 when it was recognized; this table for a summarizes the placement of these taxa. The family has been recognized by taxonomists such as Takhtajan, Dahlgren, Thorne, and Watson & Dallwitz; other taxonomists have considered these p...
[n] - small family of herbs having flowers with 3 petals and 3 sepals
family Trilliaceae noun small family of herbs having flowers with 3 petals and 3 sepals; in some classification systems considered a subfamily of the Liliaceae