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

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.