Jack-in-the-pulpit, another native with a great name. 
And such an unusual appearance.
The roots are apparently edible, but only with some serious treatment — you have to let them dry for at least six months, then roast them, then grind them to mix in with flour…otherwise, you can get severe irritation of the mouth. I’m having fun with my edible gardening, and have some dandelion plans for tomorrow, but I’m going to skip this one, thanks.