Jack in the pulpit for sure.
Indian turnip, green dragon or jack in the pulpit are all about the same thing. The green dragon leaves are a bit different than Indian turnip or jack in the pulpit. Without the leaves it is difficult to make a positive identification ,but, the root from jack in the pulpit and green dragon or both bulb roots and both have the same chemical that makes your mouth feel like it has a thousand needles in it. Indian turnip is a slang name that can be used on either plant.
Green dragon can grow as tall as 3 ft. or a bit more. Jack in the pulpit is usually less than or about a foot tall. Big diference in the way the two plants look.