Paris japonica

Paris japonica (キヌガサソウ, Kinugasasō; canopy plant) is a species of flowering plant in the family Melanthiaceae, native to Japan. It is native to sub-alpine regions of Japan. A slow growing perennial, it flowers in July. The rare, showy white star-like flower is borne above a single whorl of six to eleven stem leaves, which is always the same as the number of petals in the flower. The number of sepals, stamens and carpels follow this same pattern. It prefers cool, humid, shady places....read more on Wikipedia.