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Aconitum, commonly known as monkshood or wolfsbane, contains a potent neurotoxin called aconitine. Ingestion or skin contact with the plant can cause symptoms such as nausea, vomiting, seizures, and even death due to heart failure.
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While beautiful, azaleas (a type of rhododendron) contain grayanotoxins that can cause poisoning if ingested. Symptoms include nausea, vomiting, dizziness, and in severe cases, cardiovascular problems or even death.
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Oleander is extremely toxic, with all parts of the plant containing oleandrin. Ingesting even a small amount can lead to heart irregularities, vomiting, and in extreme cases, death. It has been used historically for poisoning.
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Foxglove contains digoxin, which is used in small doses to treat heart conditions. However, in large amounts, it can cause symptoms like nausea, vomiting, heart arrhythmias, and death.
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Belladonna, or deadly nightshade, is notorious for its toxicity. Its berries and leaves contain atropine and scopolamine, which can cause dilated pupils, blurred vision, tachycardia, delirium, and death if ingested.
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Water hemlock is one of the most poisonous plants in North America. Its toxin, cicutoxin, causes violent seizures and can lead to death within hours of ingestion. It is often mistaken for edible plants.
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While fragrant and beautiful, lily of the valley contains compounds that affect the heart, causing arrhythmias, nausea, vomiting, and in severe cases, death.
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Castor beans contain ricin, a potent toxin that can cause organ failure and death if ingested. Even small amounts can be fatal if consumed or injected.
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Known as the "most dangerous tree in the world," the manchineel produces toxic sap that can cause severe skin burns, blindness if it comes into contact with the eyes, and internal damage if the fruit is eaten.
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Yew trees and shrubs contain taxine alkaloids, which can cause heart failure if consumed. While the berries are not toxic, the seeds and foliage are highly poisonous.
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These flowers and plants serve as a reminder that beauty in nature can sometimes be deceiving, as some of the most stunning flowers are also among the most dangerous.
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