Trillium (noun)

1. A woodland plant of the lily family with a three-leaved stem and white, pink, or purple flowers.
2. A genus of perennial herbaceous plants native to temperate regions of North America and Asia.

Origin:

From the latin word trilix.

Examples:

1. The trillium is a beautiful wildflower that blooms in the spring.
2. The trillium is the official flower of the Canadian province of Ontario.
3. The trillium is a popular plant for woodland gardens.
4. Trillium grandiflorum is a species of trillium native to the eastern United States.
5. Trillium cuneatum is a species of trillium native to the southeastern United States.