'Giant Purple Wakerobin' is locally called this Trillium, occurring on the northwest coast of America, northern California and southern Oregon in nutrient-rich, humus-rich soil. In 1975, botanist J.D. Freeman named the Trillium after Japanese cytologist Masataka Kurabayashi. The large leaves are distinctly dark brown or green mottled and slightly wrinkled when mature. The petals they dark reddish-purple, oblong and erect.