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- 1+ 55- 4
Brugmansia - Angel's TrumpetsAvailable in a variety of colors, in case you have a favorite color to honor en route to becoming a zombie, the angel's trumpets flower is as pretty as it is likely to make you go absolutely insane. Whether you eat the seeds, leaves, or pretty downward-facing trumpet flowers, this beast, ripe with various toxins, will cause confusion, diarrhea, hallucinations, a complete disconnect from reality, amnesia, and eventually death. Though sometimes used recreationally, in one instance, some poor misguided guy amputated a few of his own body parts (tongue and penis included!) after just one cup of Brugmansia tea. Don't do drugs, kids.
- 2+ 81- 9
Nepenthes Attenboroughii - Giant Pitcher PlantNamed after Sir David Attenborough, this large pitcher plant features a distinctive bell shape filled with fluid and upright lid, all of which is perfect to trap, drown, and kill insects and small rodents. While the jury is still out on whether this carnivorous plant actually does eat rodents, any plant with the capability to consume small animals - a capability this one has - is scary enough.
- 3+ 39- 3
Hippomane Mancinella - Little Apple of DeathThough this killer plant doesn't have any scary traps or mechanisms to ensnare prey, it will, quite easily, kill you, just for coming close to it. Brush up against this beast, and you will enjoy a horrible allergic skin infection. Ingest one of the delicious little apples ("manzanillas"), and you can find yourself the proud new owner of nausea, vomiting, diarrhea, and seizures - if one of the tree's many toxins don't kill you first.
- 4+ 60- 7
Aconitum Napellus - MonkshoodFrom the "probably growing in a garden or wooded area close to your home right now" category, this pretty, bluish-purple flower is often dried or just planted for decoration because it looks snazzy. The plant, however, also doubles as a highly lethal cardiac poison - so much so that once upon a time, it was used on spears and arrows to kill enemies and prey.
- 5+ 44- 4
Utricularia Macrorhiza - Common BladderwortNative to North America and Eastern Asia, the Utricularia macrorhiza or common bladderwort, survives on a balanced diet of tadpoles and crustaceans, both of which it murders as they are passing by in the water. The plant features a bunch of submerged bladders that can detect the motion of a nearby meal, then grab said prey to capture it and suffocate it inside the bladder. Definitely not the best way to die, if you're a tadpole.
- 6+ 53- 6
Nerium Oleander - Oleander FlowerYou know those gorgeous pink flowers that your neighborhood green-thumb grows? For the love of god, don't eat them or let your animals eat them! This common garden beauty contains a handful of toxins that can cause nausea, a racing heart rate, excess salivation, poor circulation, seizures, coma, and death in both animals and humans. Basically, eat these pretty flowers, and your body self-destructs.
- 7+ 36- 3
Ageratina Altissima - White SnakerootFound randomly in the woods, this plant is no joke. Say a cow eats it. The plant won't just hurt the animal, but will also poison the milk and meat of the cow, and any human who consumes either will get horribly sick. For real, thousands have died from consuming the milk from cows who gobbled up this white flower, including Nancy Hanks Lincoln, mother of Abraham Lincoln.
- 8+ 40- 4
Darlingtonia Californica - Cobra LilyThough pretty rare, this beast is called a cobra lily because it looks like a freakin' snake, complete with fangs and a tongue. To make things worse, this carnivorous plant features lubricated pitchers to trap, confuse and digest insects. Oh yeah, and don't even think about killing this killer plant with fire as it can regenerate its roots after a fire and grow again.
- 9+ 40- 4
Cephalotus Follicularis - Australian Pitcher PlantThis plant, which is as ugly as it is dangerous, looks like a pile of moccasins (and is affectionately nicknamed the moccasin plant), but don't go sticking your feet in this killer. The Cephalotus follicularis has several small pitchers replete with spikes to trap and drown any prey that is unfortunate enough to crawl inside. If that wasn't enough, it also has clear cells inside, which confuse victims while they are being digested.
- 10+ 34- 3
Cicuta Douglasii - Western Water HemlockThis perennial, which can grow and adapt to live in various wet climates, has few redeeming qualities and fewer practical uses. Cicutoxin can be found in the plant's roots - while it's extremely yummy for animals, ingestion of under 1% of body weight can lead to death within minutes. It's equally as awful for humans, with the Cicutoxin attacking the central nervous system causing frothing at the mouth, incoordination, tremors, seizures, respiratory failure, and death!
- 11+ 38- 5
Drosera Glanduligera - Pimpernel SundewNative to Australia, this scary looking threat doesn't just trap and consume its prey with a highly unique combination of flypaper and snap traps, but it also has the ability to regenerate its tentacles should any be broken. So not only will it make insects and other prey stick to itself, but it will also catapult those yummy meals into the center of the plant for digestion. The pimpernel is all about efficiency.
- 12+ 51- 10
Dionaea Muscipula - Venus Fly TrapCommonly found on the East Coast of the United States, this killer plant looks as dangerous as it is. Featuring leaves filled with tiny little hairs, the Venus fly trap uses those hairs to detect prey, like insects and spiders, then closes its leaves around these tasty treats to trap them, just as its name suggests.
- 13+ 33- 4
Cerbera Odollam - the Suicide TreeCommon in swamps in Asia and India, this plant makes no mistake that it's meant for death. This plant contains cerberin, a poison that goes right to the heart, blocking the calcium ion from the heart and causing death. Because of its quick death capabilities and ability to be hidden in spices, this makes it a popular choice for suicide and murder, killing an estimated 3,000 per year.
- 14+ 24- 4
Ricinus Communis - Castor Oil PlantFound in various varieties all over the world (maybe even in your backyard), the caster oil plant has a ton of really great uses, like producing a component for making caster oil and making this really nifty toxin called ricin. "Breaking Bad" fans will know all about ricin, but for those out of the loop, just a tiny amount of this powder is lethal - that is, after a week of horrible nausea, diarrhea, and seizures. Not fun!
- 15+ 20- 5
Dieffenbachia - Mother in Law PlantPart gorgeous and popular indoor plant, part killer, the dieffenbachia is quite the curious plant. Though many countries are studying the good this plant can do, like maybe treat cancer, others have already determined that this toxic plant features needle-shaped crystals that come out when the plant is chewed. Oral numbing, excessive drooling, and swelling are all effects of chewing this plant, like what house pets or children may do when they find this growing in their house.