Deadly Nightshade
Despite its innocent looking exterior, this plant, its pretty purple flowers and its juicy black berries, are extremely toxic. When ingested, deadly nightshade can cause blurred vision, loss of balance, headaches, confusion, hallucinations, delirium and then, ultimately, death.
According to the Guinness Book of World Records, based on the amount of poison it takes to kill a human, the most poisonous common plant in the world is the castor bean (Ricinus communis).
Belladonna. Its name might mean “beautiful woman” in Italian, but this decorative shrub—also known as deadly nightshade—is quite the femme fatale. Ingesting any part of it can cause hallucinations and convulsions, and one leaf of the herbaceous plant—one of the deadliest on Earth—can readily slay an adult.
Deadly Nightshade
The flowers of this plant are small, reddish purple and tubular shaped, but it is the berries that are the most deadly part of the plant. The atropine found in belladonna disrupts the nervous system and can destroy the body's ability to regulate breathing and heart rate, leading to death.
Perhaps the most famously lethal on our list is Atropa belladonna, the aptly named Deadly Nightshade. This toxic plant belongs to the same family as tomatoes, potatoes and aubergines, and can be found across Europe, including in Britain, as well as North Africa, Western Asia and some parts of the USA and Canada.
Blue death is extremely poisonous and can be fatal to humans.
Aconitum, part of the buttercup family, goes by various nicknames depending on the exact species - Monkshood, Wolfsbane, the Queen of Poisons, or Devil's Helmet.
RHODODENDRON: Danger, caution.
Dendrocnide moroides, commonly known in Australia as the stinging tree, stinging bush, Queensland Stinger or gympie-gympie, is a plant in the nettle family Urticaceae found in rainforest areas of Malaysia and Australia.
The manchineel tree is the most dangerous tree on the planet. A single bite of the fruit can lead to death, and touching the bark, sap or leaves results in painful blisters.
Botulinum toxin, the nerve agent commonly called botox, is best known for its miraculous effect on wrinkles.
Black Rose
This unusual rosy color is associated with death. It's easy to understand why this rose symbolizes death, as black is the color used to show that someone is sad.
Known colloquially as the gympie gympie (from the Gubbi Gubbi/ Kabi Kabi name for the plant, gimpi gimpi), gympie stinger, and giant stinging tree (D. excelsa), this plant has the dubious honour of being arguably the most painful plant in the world.
Symptoms last for 1 to 3 days and may require a hospital stay. Death is unlikely.
Grandmothers and grandfathers with a green thumb might remember it: the Scabiosa. A special flower, which until recently, had been forgotten. The Scabiosa, also known as 'pincushion flower', was grown from seed, had medium size flowers with a delicate stem and grew mostly in blue tones.
Rare Flowers Around the World. Blue Puya (Puya berteronian) Parrot's Beak (Lotus berthelotii) Middlemist Red Camellia (Camellia species) Queen of the Night (Epiphyllum oxypetalum)
Rose is the king and queen of flowers. Rose is the oldest flowering plant and it is an ornamental flowering plant.
Q. Which is the Queen and King of Flowers? Answer: A king of flowers is called a rose.
Burgundy (black) dahlia's are flowers that have the most negative meaning out of all the colours, as they are said to symbolise betrayal – Or they're just the perfect choice for a goth friend.
Thallium is tasteless and odorless and has been used by murderers as a difficult to detect poison.
As A water solution: Mix 4 oz. BLUE, DEATH SUGAR BAIT FLY KILLER in one gallon of water and two cups of corn syrup or one pound of sugar and stir until dissolved.
Nitrates and nitrites are abundant in the environment and are found in medicines and products in the home. Overexposure to nitrates and nitrites can lead to a condition called methemoglobinemia in which the body is deprived of oxygen, causing a blue-gray discoloration of the skin.