Extremely poisonous due to tropane alkaloids present in all parts of the plant. Ingestion can lead to delirium, hallucinations, and death. Its berries are particularly attractive to children but are highly toxic.
Its sap can cause severe burns and blisters when exposed to sunlight, leading to skin damage and scarring. The plant's towering height increases the risk of accidental contact with its harmful sap.
Contains tremetol, which is toxic to both humans and livestock. The toxin can transfer to milk, causing milk sickness in humans. This plant was responsible for numerous deaths in the early 1800s.
Causes severe allergic skin reactions, more potent than poison ivy and oak. The plant thrives in wet, swampy areas and can lead to intense itching, swelling, and blistering upon contact.
Known for its beautiful bell-shaped flowers and the substance digitalis, used in heart medications. Ingesting the plant can cause severe heart rate disruptions, nausea, dizziness, and potentially cardiac arrest.
Popular indoor plant that can cause significant irritation to the mouth and throat, swelling, and temporary loss of speech if ingested due to calcium oxalate crystals. Contact with the sap can also cause skin irritation.
Contains aconitine, a powerful toxin that can cause heart and respiratory failure. Even skin contact can result in symptoms. Ingestion of any part of the plant can be lethal without immediate medical intervention.
Extremely toxic; standing under it during rain can cause skin blistering due to its sap. Its fruit is highly toxic and can be fatal if ingested, and the wood smoke can cause eye injuries if burned.
Contains colchicine, a powerful toxin. Ingestion can cause severe gastrointestinal distress, multi-organ failure, and death. It is crucial to distinguish it from the harmless spring crocus to prevent accidental poisoning.