This rhizomatous plant grows 20 to 45 cm tall. Its leaves and the different parts of its flower are grouped in threes. Its large, solitary flower is bright white. It turns pinkish with age. Its fruit is a berry, red at first and becoming blue-black as it ripens.
This 20 to 45 cm tall plant has a spindly stem. Its leaves resemble those of large-flowered trillium, but have a shorter stalk. The flower has 3 wavy petals that are narrower than those of large-flowered trillium.