Arisaema triphyllum is a perennial herb which is part of the Araceae plant family. Distinctive Jack-in-the-pulpit formation grows beneath large leaves. In late summer, a cluster of bright red berries appears.
The plant contains needle-like calcium oxalate crystals and perhaps other acrid substances, the berries, foliage, and roots of this plant will cause painful irritation and blisters in the mouth and throat if ingested.
