![]() ![]() Like those plants, the cashew plant contains powerful chemical irritants known as anacardic acids, so. The Florida poison tree or poisonwood ( Metopium toxiferum) grows in southern Florida. Cashews, Anacardium occidentale are in the same family as poison ivy and poison sumac. toxicodendron) and poison or swamp sumac ( T. Other toxic species include poison oak ( T. Poison ivy can grow as a perennial ground cover or as a vine that grows up trees. radicans, sometimes known as Rhus radicans), a plant with distinctive, shiny, compound leaves with three leaflets, and shiny, white berries. The most widespread species is known as poison ivy ( T. Poison ivy is a common plant in North America that can cause a rash if you come in contact with it. Especially severe poisoning can be caused if smoke from the burning of Toxicodendron biomass is inadvertently inhaled-human deaths have been caused by this type of exposure resulting from severe blistering of the pharynx and lungs. In contrast, others appear to progressively obtain an immunity to the toxic oil of these plants. Many people appear to not have been initially affected by contact with poison ivy and its relatives, but subsequent exposures then elicited sensitive responses. It appears that some people develop an increased sensitivity to this toxic oil with increased exposure. One of the more familiar groups includes species of vines and shrubs in the genus Toxicodendron, many of which contain a toxic oil that causes a contact dermatitis in people exposed to crushed foliage, stems, or roots. The cashew nut tree and poison ivy/oak are in the same botanical family, Anacardiaceae, and they share similar chemicals which cause allergic contact. Various species in the cashew family are native to North America. Urushiol is present at varying concentrations in poison ivy, mango, cashew, and pistachio. ![]()
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