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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 .
Nonoxynol-9 is a common ingredient of most vaginal and anal lubricants due to its spermicidal properties. A 2004 study found that over a six-month period, the typical-use failure rates for five nonoxynol-9 vaginal contraceptives (film, suppository, and gels at three different concentrations) ranged from 10% to 20%.
The deciduous leaves of T. orientale are trifoliate and grow to be 3–10 centimetres (1 + 1 ⁄ 4 –4 in) in length. Young branches are covered with small brown hairs that turn into red lenticels as the branches mature. T. orientale flowers from May to June. The small yellow-green flowers grow in groups from the leaf axils. From August to ...
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 ...
"The telltale signs of poison ivy are the linear streaks that form on the arms and legs that develop into blisters," Dr. Jamehdor says. "This has to do with the common way patients come in contact ...
Toxicodendron radicans, commonly known as eastern poison ivy [3] or poison ivy, is a species of allergenic flowering plant. It has numerous subtaxons and forms both vines and shrubs. Despite its common name, it is not a true ivy, but rather a member of the cashew and pistachio family Anacardiaceae.
Urushiol / ʊ ˈ r uː ʃ i. ɒ l / is an oily mixture of organic compounds with allergenic properties found in plants of the family Anacardiaceae, especially Toxicodendron spp. (e.g., poison oak, Chinese lacquer tree, poison ivy, poison sumac), Comocladia spp. (maidenplums), Metopium spp.
Unlike Toxicodendron radicans (eastern poison ivy), which often appears as a trailing or climbing vine, T. rydbergii is a shrub that can grow to 1 m (3 ft) tall, rarely up to 3 m (10 ft). The leaves are trifoliate and alternate. The leaflets are variable in size and shape, and are usually 15 cm (6 in) long, turning yellow or orange in autumn.