Wake-robin usually has dark reddish-purple flowers, but occasionally they are white. More rarely, the flowers are pinkish or greenish. White-flowered wake-robin can be confused with large-flowered trillium, but wake-robin has a purple ovary (in the middle of the flower), and its petals are narrower and do not overlap at the base.
- Family: bunchflower (Melanthiaceae)
- Habitat: rich woods
- Height: 7-16 inches
- Flower size: 2-3 inches wide
- Flower color: dark reddish-purple, occasionally pink, white, or greenish
- Flowering time: April to June
- Origin: native