Definition of Jack-in-the-pulpit poisoning:

A Jack-in-the-pulpit is a plant belonging to the species Arisaema triphyllum. This article describes poisoning caused by eating parts of this plant. The roots are the most dangerous part of the plant.

This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.

Poisonous Ingredient:

• Calcium oxalate

Where Found:

Jack-in-the-pulpit plants are found in North America in wetlands and moist, wooded areas.