Jack-in-the-Pulpit, Indian Turnip, Wild Turnip, Bog Onion

Kingdom: Plantae, Division: Angiosperms, Class: Monocots, Order: Alismatales, Family: Araceae, Genus: Arisaema, Species: Arisaema triphyllum · Araceae (Arum family) · Compound (Trifoliate), Deciduous herbaceous perennial

Jack-in-the-Pulpit, Indian Turnip, Wild Turnip, Bog Onion

Species

Arisaema triphyllum

Leaf Type

Compound (Trifoliate), Deciduous herbaceous perennial

Family

Araceae (Arum family)

Shape

Ovate to elliptic leaflets, divided into three distinct leaflets (trifoliate)

Size

Leaflets are typically 3-7 inches (8-18 cm) long and 2-5 inches wide; total leaf structure stands 1-2 feet tall.

Margin

Entire (smooth, unlobed, without teeth)

Arrangement

Basal / Alternate, with 1 or 2 long-petioled leaves rising directly from an underground corm

Rarity

Common in native woodland ecosystems across eastern North America

Color & Pattern

Deep rich green above, slightly paler glaucous green beneath. Smooth glossy surface with prominent lighter green main veins. The fruits shown mature from green to bright glossy scarlet red.

Venation Pattern

Pinnate-reticulate, with prominent midrib and arched lateral veins running toward the margin

Texture & Surface

Smooth, slightly waxy, herbaceous and papery-leathery texture

Description

Jack-in-the-Pulpit is a distinctive woodland perennial famous for its unique flower structure consisting of a striped spathe ('pulpit') enclosing a spadix ('Jack'). In late summer and autumn, the spathe degrades to reveal a dense, cylindrical cluster of glossy berries that ripen from lime green to brilliant orange-red, as clearly showcased in this image.

Key Features

Trifoliate leaves (three leaf parts), distinctive striped floral spathe in spring, and tight cylindrical stalks of glossy, bright red berries in late summer.

Habitat

Rich, moist deciduous woodlands, swamp edges, damp ravines, and shaded wetland borders with humus-rich soil

Geographic Range

Native to eastern North America, from eastern Canada (Quebec, Ontario) south to Florida and west to Texas and Minnesota.

Condition Notes

The specimen displays vibrant, healthy seed clusters transitioning from unripe green to fully ripe scarlet red. Nearby foliage appears healthy green with minimal damage, earning an overall health grade of Excellent.

Interesting Facts

This plant is sequential hermaphrodite; younger or smaller plants are male, while larger, well-nourished plants become female. Native Americans historically consumed the starch-rich corm only after extensive drying and roasting to neutralize burning calcium oxalate crystals.

Medicinal & Uses

Historically used in small amounts by Native Americans for respiratory and skin ailments after proper heat treatment. Popular today as an ornamental plant for native shade and woodland gardens.

Ecological Role

Pollinated primarily by fungus gnats attracted to the flower's scent. The bright red ripe berries are consumed and dispersed by wild turkeys, wood thrushes, and small woodland mammals.

Similar Species

Arisaema dracontium (Green Dragon - has 7-15 leaflets), Trillium species (lack the central spathe flower and red berry cluster), Poison Ivy (Toxicodendron radicans - also trifoliate but woody vine habit with serrated or smooth leaf options and white berries).

Foraging Tips

Look in low, damp hardwood forests during late spring for the flower or late summer for the vivid red fruiting head. Do not forage for food due to extreme irritation risks.

Toxicity Warning

Highly Toxic / Very Irritating. All parts, especially raw corms and berries, contain microscopic needle-like calcium oxalate crystals (raphides). Chewing causes immediate intense burning, swelling of the mouth and throat, and digestive distress.

Identified on 7/25/2026