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The plant is poisonous, containing cardiostimulant compounds such as adonidin and aconitic acid. [42] Aesculus hippocastanum: horse-chestnut, buckeye, conker tree Sapindaceae: All parts of the raw plant are poisonous due to saponins and glycosides such as aesculin, causing nausea, muscle twitches, and sometimes paralysis. [43] Agave spp.
Poison Ivy, a well-known toxic plant common in Texas especially during the spring and summer, causes an itchy painful rash. This is caused by its sap that has a clear liquid called urushiol.
As few as two bulbs are sufficient to kill a fully-grown human, with the poisons not degraded by cooking. [25] The toxins also remain stable when dried and stored, with bulbs remaining toxic for two decades after collection. [31] The seeds and the bulbs are the most toxic parts of the plants. [7]
What does poison ivy look like? Poison ivy can grow as a vine or a small shrub, trailing along the ground or even climbing low plants, trees and poles.Look for three glossy leaflets. The common ...
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 ...
The tropane alkaloids of A. bella-donna were used as poisons, and early humans made poisonous arrows from the plant. [ 75 ] [ 15 ] In Ancient Rome , it was used as a poison by Agrippina the Younger , wife of Emperor Claudius , on the advice of Locusta , a woman who specialised in poisons, and Livia , who is rumored to have used it to kill her ...
[1] [13] Cicutoxin is very poisonous, and water hemlock is considered one of North America's most toxic plants. [1] [14] Ingestion of Cicuta can be fatal in humans, and there are reports in medical literature of severe poisoning and death as early as 1670. [1] A number of people have also died following ingestion of the plant in the 20th and ...
Humans have also fallen victim to zygacine poisoning by mistaking the death camas for other edible plants. In 1994, a man presented to the emergency department with gastrointestinal symptoms, a depressed heart rate and low blood pressure after inadvertently eating plant material derived from a species of Zigadenus . [ 12 ]