SafePlants

Arisaema triphyllum (Jack-in-the-Pulpit)

Arisaema triphyllum, commonly known as Jack-in-the-pulpit, is a fascinating woodland wildflower native to eastern and midwestern North America, though it can be grown in shade gardens elsewhere. Other common names include bog onion, brown dragon, Indian turnip, American wake robin, and wild turnip. Additional common names are Three-leaved indian turnip, Devil's dear, Wake robin, Starch wort, Wild turnip, Dragon root, Bog onion, Pepper turnip. The plant's unique flower structure and life history make it a captivating subject for nature enthusiasts.

Considerations for Pets

• The plant contains insoluble calcium oxalate crystals called raphites.
• The plant is known to cause poisoning if parts of it are eaten.
• Bright red berries appear in late summer.
• The roots can be dried.

Considerations for Children

• The plant contains insoluble calcium oxalate crystals called raphites.
• Bright red berries appear in late summer.
• The roots can be dried.

Taxonomy and Nomenclature

• Scientific Name: Arisaema triphyllum (L.) Schott
• Family: Araceae (Arum family)
• Synonyms: A. atrorubens, Arum triphyllum

Distribution and Habitat

• Native to eastern and midwestern North America.
• Grows in rich, moist deciduous woods and woodland habitats.

Morphology and Growth Habit

• Herbaceous perennial plant.
• Stemless plant, typically 8 inches to 2 feet (30-90 cm) tall.
• Usually has one or two long-stalked, 3-parted (trifoliate) leaves.
• The "pulpit" is botanically a spathe, often striped purple and green.
• The "Jack" is a flower-bearing spadix, an erect spike containing tiny flowers.
• In late summer, a cluster of bright red berries appears.

Quirky Facts

• The Jack-in-the-pulpit has the ability to change sex.