It is often called the world's most dangerous tree. Just a single bite of their crabapples can potentially be fatal.
Belonging to the same family as tomatoes, potatoes and aubergines, just about 10 berries of this plant are enough to kill an adult.
One of the most toxic yet popular plants, all its body parts (especially its leaves) contain nicotine and anabasine.
The expensive flowering plant that symbolises love and happiness has a high concentration of heart- active cardiac glycosides.
Known as the 'suicide tree', ingestion of its fruit can stop a heart. It has been used as murder weapon as it's difficult to detect in autopsies.
Despite having deep cultural value in certain countries, the ingestion of just a single seed can be fatal.
Popular for its striking flowers, it is actually quite poisonous. They are also packed with toxic cardiac glycosides.
Also called devil's trumpets, this plant is toxic and potentially psychoactive. They also have hallucinogenic properties.