The Most Dangerous Flowers in the World -> Science

Datura (laurel room)

There are 9 species of Datura and many of them can be found in the U.S. and Mexico. All species contain alkaloids that are lethal. In the past, Datura was used as a hallucinogen and poison. There are some areas in Europe and India where datura was used to commit crimes and suicides. In some parts of the world, it is illegal to buy, or sell or cultivate datura....

Digitalis (red finger)

Digitalis is a beautiful flowering plant in the form of red or purple bells. Although there are over 20 species of digitalis, all are fatal. All parts are toxic, but leaves from the top are the most dangerous. A bite of  a leaf of red finger can lead to death. Symptoms of digitalis poisoning are: nausea, vomiting, diarrhea, violent hallucinations, delirium, headaches, seizures and heart stopping functions....