Jack-in-the-pulpit - Arisaema triphyllum

Features: A unique woodland native, its name comes from its greenish flower, where the spathe ("Pulpit") forms a protective hood over the spadix ("Jack"). Those later form a cluster of red berries containing the seeds, which will spread nicely over time.

Light: Partial to Medium Shade

Soil: Moist to Medium, with lots of organic matter

Height: 1-2 feet

Blooms: May-June

See more information and photos at Illinois Wildflowers and USDA Plants Database

First Photo from Illinois Wildflowers, second from Midwest Groundcovers.