This is an Indian Pipe (Monotropa uniflora). They are also known as; Indianpipe, Ghost Flower, Ghost Plant, Ghost Pipe, Corpse Plant, and Kernel's Dripping Ghost. Unlike most plants, it is white and does not contain chlorophyll. it gets its food from parasitizing fungi. The parasitized fungi has a symbiotic association, with trees. Since the Indian Pipe does not need sunlight to grow, it will usually be found in the shaded area.