1. (noun) 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

• trillium
• wake-robin

2. (noun) lily of eastern North America having orange to orange-red purple-spotted flowers

• lilium philadelphicum

1. (noun) 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

• birthroot
• purple trillium
• red trillium
• trillium erectum
• dwarf-white trillium
• early wake-robin
• snow trillium
• prairie trillium
• prairie wake-robin
• trillium recurvatum
• red trillium
• sessile trillium
• toadshade
• trillium sessile

1. (noun) 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

• genus trillium

1. (noun) 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

2. (noun) lily of eastern North America having orange to orange-red purple-spotted flowers

• lily