- Jamestown-weed, Thorn-apple, Mad-apple, Moonflower, Stinkwort
- Datura tatula
- A stout, branched annual with a sprawling habit, 2-5 feet tall.
- gray-green or purplish
- 3-8 inches long
- tiny, smooth hairs
- Large, white, trumpet-shaped, solitary flowers. Corollas are up to 6 inches long, with five points and a purple tinge on the margins. Flowers are short stalked and held in leaf axils. They open after dark and close by mid-morning.
- prickly, globose
- walnut-sized, green drying to brown
- spikes small, slender
- large, flat seeds
- disturbed areas, roadsides, fields
- waste places
- seeds are moved around by clothing, shoes, in hay and farm equipment
Key ID Features:
- large solitary flowers
- purple tinged
- 5 pointed corolla
- thorny, walnut-sized fruits.
- Common cocklebur (Xanthium strumarium) seedlings lack the distinct odor, prominent teeth and smooth leaves of jimsonweed.
- All parts of this plant are poisonous, to humans and livestock. Naturalizes and becomes weedy.
- A noxious weed on Nantucket.
Growth Form: Herb
Origin: Central America, Mexico
Level of Invasiveness for Nantucket: Do not list at this time
Level of Invasiveness for Massachusetts: Not evaluated
Massachusetts Cultivation Restrictions: no