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Note: If you think you’ve come in contact with a poisonous plant and need help, call NC Poison Control at 1-800-222-1222. ... Common names: Eastern Poison Ivy, ...
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 .
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.
The generic name is derived from the Greek words τοξικός (toxikos), meaning "poison," and δένδρον (dendron), meaning "tree". [4] The best-known members of the genus in North America are eastern poison ivy (T. radicans) and western poison oak (T. diversilobum), both ubiquitous throughout much of their respective region.
Those with a history of poison ivy or poison oak contact dermatitis may be most at risk for such an allergic reaction. During mango's primary ripening season, it is the most common source of plant dermatitis in Hawaii. Manihot esculenta: cassava: Euphorbiaceae: Roots and leaves contain two cyanogenic glycosides, linamarin and lotaustralin.
This list includes plant species found in the state of North Carolina. Varieties and subspecies link to their parent species. Varieties and subspecies link to their parent species. Introduced species are designated (I).
Toxicodendron pubescens (syn. Rhus pubescens), commonly known as Atlantic poison oak, [2] or eastern poison oak, is an upright shrub which can cause contact dermatitis for most people. Description [ edit ]
The differences in toxicity in poison ivy, poison oak, and poison sumac are due to differences in the side chains of the chemicals in these plants. In general, poison ivy has a C 15 side chain, poison oak has a C 17 side chain and poison sumac has a C 13 side chain. The dermatitis shows itself in painful and long continued swellings and ...