World's Strangest and Most Dangerous Plants & Flowers

Castor oil plant is listed in the Guiness Book of World Records as the most poisonous in the world. According to experts, a single milligram of this plant is enough to end an adult’s life. All parts of it are toxic; its beans contain some of the most powerful venoms known to man. These are the alkaloid ricinin and toxalbumin ricin, the latter being even more poisonous than cyanide. The nickname Palm of Christ comes from the plant oi

Also known as the devil’s helmet, this plant has stunning looks, but it is also one of the most dangerous plants in the world. It is known that toxins extracted from Aconitum were used to kill wolves in ancient times earning the name ‘wolf's bane’. According to Wikipedia, the roots of Aconitum ferox supply the Nepalese poison called bikh, bish, or nabee. Several species of Aconitum have

This flower is known for her outstanding beauty. But do not be fooled, she is the ultimate lethal beauty! Nerium oleander, including the plant’s sap is pretty harmful. It is known that a single leaf from this flower is enough to kill a young human. Animals that consume this plant die within days of eating it. contains numerous toxic compounds, many of which can be deadly. Consumption of this plant will affect the heart and central nervou

When it blooms, this flower releases an extremely pungent odor akin to rotting meat. This is also its way of attracting flies which assist in pollination. All parts of plant are poisonous if ingested and touching the plant may result in skin irritation or an allergic reaction. The Dracula’s flower or Dracunculus vulgaris thrives in shaded areas and is not at all friendly to direct sunshine. 

Known scientifically as Abrus precatorius and is believed to have originated from South East Asia. The seeds contain, abrin, an extremely poisonous chemical. It causes damage by attacking the body’s functions at the cellular level. When ingested whole, the rosary pea doesn't present any danger. But if the seed is scratched or damaged, it's deadly. In Holland, the poisonous seeds were combined with pearls to make jeweler

This is a carnivorous plant often found in bogs,marshes and fens. According to Wikipedia, this plant feeds on insects which are attracted to its bright red colour and its glistening drops of mucilage, loaded with a sugary substance, covering its leaves. Once an insect settles on the mucilage, it becomes stuck, at which point the sundew leaf wraps itself around the insect in a way similar to an octop

Titan Arum is easily the smelliest flowers anyone has ever seen – hence the nickname Corpse Flower. Once it opens fully, the massive flower reveals its frilly edges and a thick clapper in the middle. The stench coming out of the flower is nothing less of appalling. The awful smell is caused by sulfur compounds. The flower first opens at night, and becomes so hot that it lets out some steam. It produces heat by itself; during bloom, the t

The poison hemlock was a common ‘assassin’s choice’ in ancient Greece. It is believed that this murderous piece of flora was responsible for the death of renowned scholar and philosopher Socrates. The plant contains coniine and pyridine-type alkaloids in its roots and seeds. Young poison hemlock plants also contain these toxins. These substances cause death by attacking the neuromuscular junctions of the body, thereby causing

This plant contains cicutoxin, a toxic chemical that is found in the whole plant but is mostly embedded in its root system. It is a very attractive flower that grows upright developing purple-striped leaves and small white flowers. It is found mostly along river bank and marsh areas. Ingesting this plant may cause violent and painful convulsions, nausea, vomiting, cramps and muscle tremors. Those who survive the poisoning experience long-

The Manchineel is absolutely lethal, so much so that you don’t even have to touch it to feel its deadly effects. It's smoke can cause blindness when it comes into contact with your eyes. The tree contains milky sap that can cause severe allergic reactions. The fruit of the Manchineel is also dangerous when ingested and can cause  vomiting, nausea, diarrhea, and seizures.