Jack-in-the-Pulpit, Arisaema triphyllum
Araceae or Arum Family

A spring-blooming plant arising from an underground corm.  Inflorescence is a pulpit-like structure, green with white, brown or purple stripes.  Inside is a cylindrical structure, pale yellow to purple.  True flowers are deep inside, at the base of the cylinder.  One or two leaves with three leaflets.  Sometimes one leaf, and no flower.  Red berries ripen in the fall. 

In Wildwood very common on the western slope, especially close to Connelly's Run.

A well-known woodland plant, easily identified.  Nothing else in Wildwood resembles it.

More information.