Those of each pair seem to be six undivided leaves in a circle. Bright yellow flower. Full sun to partial shade. Like shade and need to be kept moist. Mulch every year with leaves.
Bulbs are the size of a quarter.
Similar to the red trillium, but beige in color. Sometimes has a very short flower-stalk. The petals are at first white, changing to pink or purple, up to an inch long or longer. The leaves are small, less than 3 inches long, elliptic or lanceolate, blunt. The stigmas are carried up on a short style.