Also known as Thorn Apple, Devil's Snare, Jamestown Weed, Stinkweed
Jimsonweed thrives as an opportunistic annual in disturbed pastures, river bottoms, and vacant lots across the globe. Large, upward-facing white trumpet flowers unfurl in late afternoon to release a sweet fragrance that lures nocturnal hawkmoths before withering by midday. The foliage gives off an unpleasant, bitter scent when bruised and yields walnut-sized, prickly capsules that split open in autumn to disperse hundreds of dark seeds.
ThreatsHerbicides, mowing, and intentional eradication efforts
HabitatsDisturbed ground, roadsides, agricultural fields, waste areas, and riverbanks
Life spanAnnual (1 growing season)
Classification
OrderSolanales
FamilySolanaceae
GenusDatura
SpeciesDatura stramonium
Range & activity
Range data is not available yet.
Safe observation
Interaction riskHigh
Low
Moderate
High
Very high
Why interaction risk is high
Contains lethal tropane alkaloids; do not touch bare-handed and never ingest any part.
Why it is dangerous
All parts contain lethal tropane alkaloids, primarily atropine, scopolamine, and hyoscyamine, which cause extreme anticholinergic poisoning, delirium, hyperthermia, seizures, and respiratory failure.
How to recognize a risky encounter
Look for coarse, wavy-toothed dark green leaves that emit a pungent odor, large white trumpet flowers, and spiky green-to-brown seed pods.
What to do
Observe the flowers from a distance without touching; never harvest seeds or foliage and supervise pets closely in infested areas.
Responsible observation
Dusk Watching: Visit flowering patches around sunset to watch blooms open and attract hovering sphinx moths.
Pet Safety: Keep curious dogs and grazing farm animals away from foliage and fallen seed capsules.
Avoid Handling: Wash skin immediately if accidental contact occurs with crushed leaves or milky sap.
