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Poison ivy is a type of allergenic plant in the genus Toxicodendron native to Asia and North America. Formerly considered a single species, Toxicodendron radicans , poison ivies are now generally treated as a complex of three separate species: T. radicans , T. rydbergii , and T. orientale .
Flowers and fruits of fragrant sumac are at the end of the stem but occur along the middle of the stem of poison ivy. Fragrant sumac fruit ripens to a deep reddish color and is covered with tiny hairs, while poison ivy fruit is smooth and ripens to a whitish color. Hoptree (Ptelea trifoliata) has leaves that are remarkably similar. It is ...
The citron (Citrus medica), historically cedrate, [4] is a large fragrant citrus fruit with a thick rind. It is said to resemble a 'huge, rough lemon'. [ 5 ] It is one of the original citrus fruits from which all other citrus types developed through natural hybrid speciation or artificial hybridization . [ 6 ]
How Long Does Poison Ivy Stay On Clothes, Shoes, Gear, Etc.? It varies. "The oil from poison ivy can stay on close for days, weeks or months," says Dr. Benedict Ifedi, MD , a primary care doctor ...
In terms of its potential to cause urushiol-induced contact dermatitis, poison sumac is far more virulent than other Toxicodendron species, even more virulent than poison ivy and poison oak. According to some botanists, T. vernix is the most toxic plant species in the United States (Frankel, 1991).
Merriam-Webster defines "fruit" as "the usually edible reproductive body of a seed plant." Most often, these seed plants are sweet and enjoyed as dessert (think berries and melons), but some ...
Poison ivy oils can linger on anything that touches the plant for a long time — basically until whatever it touches has been washed — according to the U.S. Food and Drug Administration. That ...
Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis or Rhus dermatitis) is a type of allergic contact dermatitis caused by the oil urushiol found in various plants, most notably sumac family species of the genus Toxicodendron: poison ivy, poison oak, poison sumac, and the Chinese lacquer tree. [1]