There are many plants that look beautiful and are completely harmless, but you should be very careful what you touch or eat. In fact, some plants can harbor some of the deadliest poisons known. From world’s most poisonous flowers to plants that cause paralysis, make sure to avoid these 25 Most Dangerous Plants That Could Seriously Hurt You.
Notable for its distinctive small green or white flowers arranged in an umbrella shape, the Water Hemlock is the most violently toxic plant in North America. Only a small amount of the toxic substance in this plant is needed to produce poisoning in livestock or in humans. The toxin cicutoxin, acting directly on the central nervous system, causes violent convulsions.
Known by many other common names such as crab’s eye, cock’s eye, coral bead, or country licorice, the Rosary Pea is a slender woody vine that bears attractive clusters of pink, purple, or white flowers. Weedy and invasive, the plant is best known for its seeds, which are used as beads and in percussion instruments, and which are toxic because of the presence of abrin. Ingestion of just one chewed seed can be fatal to humans.
Found in most tropical and subtropical areas of the world, the Oleander (also known as Nerium) is an evergreen shrub or small tree prized by home gardeners for its showy, funnel-shaped blooms. Oleanders are fast-growing and easy to care for, which makes them an appealing landscape plant. However, all parts of this plant are highly toxic.
Native to wooded or waste areas in central and southern Eurasia, the Deadly Nightshade is a plant with dull green leaves and shiny black berries about the size of cherries. The plant contains atropine and scopolamine in its stems, leaves, berries, and roots, and causes paralysis in the involuntary muscles of the body, including the heart. Even physical contact with the leaves may cause skin irritation.
The national flower of Nepal, the Rhododendron was originally native only to Asia, but it has been introduced to most parts of the world now. It is a woody plant in the heath family noted for attractive large clustered flowers. However, all parts of the plant contain toxins variously called andromedotoxin, grayanotoxin, rhodotoxin, and acetylandromedol, which makes it a very dangerous plant, especially for animals.
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Photos: 25. Fritzflohrreynolds, Cicuta maculata – Water Hemlock, CC BY-SA 3.0, 24. Nandanautiyal, Rosary Pea Plant Seed, CC BY-SA 4.0, 23. Alvesgaspar, Nerium oleander flowers leaves, CC BY-SA 3.0, 22. H. Zell, Atropa belladonna 001, CC BY-SA 3.0, 21. TriviaKing at en.wikipedia, Garden with Rhododendrons, CC BY-SA 3.0, 20. Fritzflohrreynolds, Ageratina altissima – White Snakeroot, CC BY-SA 3.0, 19. Gabriele Kothe-Heinrich, Hippomane mancinella Costa Rica, CC BY-SA 3.0, 18. anonymous, Rbk dolde, CC BY-SA 3.0, 17. Meneerke bloem, Crocus nudiflorus clump, CC BY-SA 3.0, 16. Haplochromis at German Wikipedia, Giftmango Cerbera odollam B, CC BY-SA 3.0 DE, 15. liz west from Boxborough, MA, Lily of the valley 777, CC BY 2.0, 14. Tubifex, 01776 – Ricinus communis (Wunderbaum), CC BY-SA 3.0, 13. Cgoodwin, Stinging tree, CC BY 3.0, 12. Wattewyl (talk), Aconitum napellus, CC BY 3.0, 11. 4028mdk09, Brugmansia Blüten gelb, CC BY-SA 3.0, 10. Magnus Manske, P1000484 Nicotiana tabacum (tobacco) (Solanaceae) Flower, CC BY-SA 3.0, 9. Forest Starr and Kim Starr, Dieffenbachia seguine1FKST, CC BY-SA 2.5, 8. Frank Vincentz, Taxus baccata 01 ies, CC BY-SA 3.0, 7. www.publicdomainpictures.net (public domain), 6. Meneerke bloem, Actaea pachypoda fruits01, CC BY-SA 3.0, 5. KENPEI, Delphinium cv2, CC BY-SA 3.0, 4. user: MPF Newcastle, UK, Cytisus scoparius3, CC BY-SA 3.0, 3. AnemoneProjectors, Foxglove aka Digitalis purpurea, CC BY-SA 2.0, 2. Pic taken by TeunSpaans, DaturaStramonium-plant-sm.jpg, CC BY-SA unported, 1. J.F. Gaffard, licence GFDL, Laburnum anagyroides, CC BY-SA 3.0