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Conium maculatum, known as hemlock (British English) or poison hemlock (American English), is a highly poisonous flowering plant in the carrot family Apiaceae, native to Europe and North Africa. It is herbaceous without woody parts and has a biennial lifecycle. A hardy plant capable of living in a variety of environments, hemlock is widely ...
Coniin is the poison of the spotted hemlock. Poisoning results in nausea, vomiting, salivation, and diarrhea. Within half an hour to an hour, paralysis of the chest muscles occurs, which is fatal. [3] [4]
Poison hemlock was reportedly the cause, making thousands of residents fear encountering the toxic plant. Many more toxic plants can be found in Texas. Here’s how to spot them.
Poison hemlock grows from a center stalk and has light green stems and fern-like leaves that can grow up to 6 feet tall in Missouri’s climate. ... Poisoning can happen in humans from inhaling ...
Coniine from hemlock consumed by quail has been suggested as the cause of coturnism, [4] though quail resist eating hemlock. [3] Hellebore has also been suggested as the source of the toxin. [ 5 ] It has also been asserted that this evidence points to the seeds of the annual woundwort ( Stachys annua ) being the causal agent. [ 3 ]
But experts say it isn’t likely small animals will eat enough hemlock to experience severe poisoning. Regardless, if you think your pet ate poison hemlock, call the Pet Poison Helpline at 855 ...
The history of coniine is understandably tied to the poison hemlock plant, since the natural product was not synthesizable until the 1880s. [7] Jews in the Middle East were poisoned by coniine after consuming quail in the area that usually ate hemlock seeds, and Greeks on the island of Lesbos who also consumed quail suffered from the same poisoning, causing myoglobinuria and acute kidney ...
Conium maculatum is especially known to be dangerous to pregnant and breast-feeding females and in children, where poisoning has occurred by consuming small amounts of C. maculatum. [7] An overdose of Conium maculatum can typically produce paralysis, with a toxic dose causing loss of speech followed by inhibited respiratory function and, later ...