Flower grows in shade
Red Trillium (Trillium erectum); photo ref.: Trillium,Red_©DaveSpier_D044583iN2 (northern Finger Lakes Region)
A color variant of Red Trillium. The Flora of North America says the flowers can sometimes be pale yellow. I saw the same color flower (perhaps the same plant) in this location in 2011.
starting to wilt; some in advanced wilt
Trillium erectum, also known as wake-robin, red trillium, purple trillium,Beth root, or stinking Benjamin, is a species of flowering plant native to the east and north-east of North America. It is a Spring ephemeral, an herbaceous perennial whose life-cycle is synchronised with that of the deciduous forests where it lives.