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Top 10 Most Poisonous Plants In The World

10. Narcissus

top10 poison narcissus Top 10 Most Poisonous Plants In The World

These cheerful yellow and white harbingers of spring, aka daffodils and jonquils, are actually mildly toxic if the bulbs are eaten in large quantities (Narcissus pseudonarcissus is shown).

Some people confuse them for onions. Daffodil bulb diners tend to experience nausea, vomiting, cramps and diarrhea. A doctor might recommend intravenous hydration and/or drugs to stave off nausea and vomiting if symptoms are severe or the patient is a child.

9. Rhododendron

top10 poison Rhododendron Top 10 Most Poisonous Plants In The World

Rhododendrons and azalea bushes (a variety of rhododendron), with their bell-shaped flowers, look great in the yard come springtime, but the leaves are toxic and so is honey made from the flower nectar.

Eating either from these evergreen shrubs makes your mouth burn , and then you’ll probably experienced increased salivation, vomiting, diarrhea and a tingling sensation in the skin. Headaches, weak muscles and dim vision could follow.Your heart rate could slow down or beat strangely, and you might even drop into a coma and undergo fatal convulsions. Before that, doctors will try to replace your fluids and help you breath more easily and administer drugs to bring back your normal heart rhythm.

8. Ficus

top10 poison Ficus Top 10 Most Poisonous Plants In The World

Also known as weeping fig, benjamin tree, or small-leaved rubber plants, all ficus have milky sap in their leaves and stems that is toxic.

There are about 800 species of ficus trees, shrubs and vines (Ficus benjamina is shown), many of which are cultivated indoors in pots and tubs and outdoors in warm areas where some varieties can grow to up to 75 feet tall.

The worst that will happen is your skin will itch and puff up and your doctor will give you something for the allergy or the inflammation.

7. Oleander

top10 poison Oleander Top 10 Most Poisonous Plants In The World

Every bit of the oleander plant is toxic, unlike the case for other plants where just the flower or sap might be poisonous.

Even accidental inhalation of the smoke from burning oleander is a problem. Other trouble comes from using the sticks for weenie or marshmallow roasts or drinking water in which the clusters of red, pink or white flowers have been placed.

These evergreen shrubs (Nerium oleander is shown) are common as tub plants or in gardens in the Southwest and California, any locale that approaches the plant’s native Mediterranean climate.

Typically the symptoms involve a change in heart rate, be it a slow down or palpitations or high potassium levels. A doctor might prescribe a drug to bring your heartbeat back under control and try to induce vomiting with ipecac, pump your stomach or absorb the toxin with ingested charcoal.

6. Chrysanthemum

top10 poison Chrysanthemum Top 10 Most Poisonous Plants In The World

Also known as mums, orange and yellow varieties of these showy flowers often turn up in foil-wrapped pots on people’s front steps around Halloween and Thanksgiving.

There are 100 to 200 species of Chrysanthemums, and they generally grow low to the ground, but can turn into shrubs.

Gardeners plant mums to keep rabbits away. Guess what? The flower heads are somewhat toxic to humans too. But not terribly.

Touching them can make you itch and puff up a bit, but probably the doctor will just give you something for the inflammation and allergic reaction.

5. Anthurium

top10 poison Anthurium Top 10 Most Poisonous Plants In The World

The leaves and stems of these bizarre-looking plants, with dark green, heart-shaped leathery leaves and a scarlet, white or green spike surrounded by a red, pink or white “spathe,” are toxic.

Also known as flamingo flowers or pigtail plants, eating tropical Anthuriums could give you a painful burning sensation in the mouth that then swells and blisters.

Your voice might also become hoarse and strained and you might have difficulty swallowing. Most of this will fade with time, but cool liquids, pain pills and gluey herbs and foods like licorice or flaxseeds may bring relief.

4. Lily-of-the-valley

top10 poison Convallaria Top 10 Most Poisonous Plants In The World

These darling droopers, also known as mayflowers, are entirely poisonous, from the tips of their tiny bell-shaped white flowers that coyly fall off like parted hair to the very water in which they might be placed.

A little bit of Lily-of-the-valley (Convallaria majalis) probably won’t hurt much, but if you eat a lot, you’ll probably experience nausea, vomiting, pain in the mouth, abdominal pain, diarrhea and cramps. Your heart rate might also become slow or irregular.

A doctor might decide to clean out your stomach by pumping it or feeding you absorbing charcoal, and might give you drugs to bring your heart rate back to normal.

3. Hydrangea

top10 poison Hydrangea Top 10 Most Poisonous Plants In The World

These poofy-flowered bushes (Hydrangea macrophylla) are popular yard ornaments that can grow up to 15 feet tall with rose, deep blue or greenish-white flowers that grow in huge clusters and look as edible as cotton candy or a big bun to an imaginative mind. But those blooms will give you a belly ache that sets in sometimes hours after eaten.

Typically, patients also experience itchy skin, vomiting, weakness and sweating. Some reports indicate that patients can even experience coma, convulsions and a breakdown in the body’s blood circulation.

Luckily, there is an antidote for hydrangea poisoning, and doctors might also give you drugs to address to ease your symptoms.

2. Foxglove

top10 poison Foxglove Top 10 Most Poisonous Plants In The World

Foxglove is a magical looking plant that grows to 3 feet tall with drooping purple, pink or white flowers, sometimes dotted inside, along a central stalk.

Its Latin name is Digitalis purpurea, which might sound familiar; leaves from the plant are a commercial source of the heart drug digitalis.

If you eat any part of these plants in the wild, you too will likely have heart problems after a spell of nausea, vomiting, cramps, diarrhea and pain in the mouth.

A doctor might administer charcoal to absorb the toxin or pump your stomach, and might also administer drugs to bring your heart rate back to normal. Other names for this plant include fairy bells, rabbit flower, throatwort and witches’ thimbles.

1. Wisteria

top10 poison Wisteria Top 10 Most Poisonous Plants In The World

Wisterias form romantic cascades of sweetpea-like flowers that fall in lush blue, pink or white masses from woody vines that grow mainly in the South and Southwest.

The entire plant, also known as a kidney bean tree, is toxic, though some say the flowers are not. Better safe than sorry, because most reports are that eating this plant will cause nausea, vomiting, cramps and diarrhea that could require treatments such as intravenous hydration and anti-nausea pills.


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Comments (11)

  1. [...] Top 10 Most Poisonous Plants In The World | The Amazing [...]

  2. Hugging the Coast says:

    Useful information…especially for those with kids and/or pets!

  3. spawn says:

    huh!!? Anthurium, one of the poisonous…never knew that before…

  4. shoaib2k2 says:

    nice info

  5. nachoretard says:

    I had no idea that a ficus was dangerous

  6. Yahiko says:

    great info. i just love poison ^_^

  7. The J Man says:

    I didn’t want to make the fuzzy thing sad :Þ

  8. Isel Guiyab says:

    I loved it because those flowers that I saw up was just in our backyard but i didn’t know their poisonous…

  9. lazer says:

    this is the flowers we have eaten several times but no reaction found.

  10. UNDERC0VER says:

    Useful information to protect your pets and kids. CIA is scared about this information that can harm aother person his life, its no good idea to publish a list of poisonous plants! We know you can found them easy.

  11. Megan says:

    I love this website it is the best and i will totally go here if i have problems

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