Found in Europe, this plant contains tropane alkaloids that can cause hallucinations, seizures, and even death.

1. Deadly Nightshade (Atropa belladonna)

Tobacco, often used for smoking, has nicotine, a harmful substance causing addiction and health problems, even death.

2. Tobacco (Nicotiana tabacum)

This plant, nicknamed the "tree of death," produces toxic sap that can result in serious burns and blindness upon skin or eye contact.

3. Manchineel (Hippomane mancinella)

This lovely-smelling plant hides a danger – it has substances that can make you nauseous, vomit, and affect your heart.

4. Lily-Of-The-Valley (Convallaria majalis)

Oleander, common in gardens, has toxins that can cause nausea, vomiting, and heart issues.

5. Oleander (Nerium oleander)

This plant's seeds have a deadly toxin called abrin, which can be lethal in small amounts.

6. Rosary Pea, or Crab's Eye Vine (Abrus precatorius)

Also known as the suicide tree, the seeds of this plant contain cardiac glycosides that can cause heart failure and death.

7. Cerbera odollam

This plant is highly toxic, containing a neurotoxin that can cause seizures and respiratory failure.

8. Hemlock Water-Dropwort (Oenanthe crocata):

Some Aconitum plants have substances that harm the nervous system, causing vomiting, convulsions, and cardiac arrest.

9. Monkshood, Wolf's Bane, etc. (Aconitum genus)

Plants in the Datura genus contain tropane alkaloids, causing hallucinations, delirium, and can be fatal in high doses.

10. Thornapples (Datura genus)

It's crucial to be aware of these plants and avoid contact or ingestion to prevent potential harm. If there is ever any suspicion of poisoning, seeking immediate medical attention is essential.