White Trillium (Trillium grandiflorum)

2015-5-16 Mt. Cuba Center, Hockessin, DE
-between 12-18" high
-flowers have wavy petal edges and turn pink as they age
-flower petals overlap
http://www.nps.gov/grsm/learn/nature/wildflowers.htm
(some common names: White Trillium, Great White Trillium, White Wakerobin, Large-flower Wakerobin, Large White Trillium)