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Definition of Toxicodendron
1. Noun. In some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America.
Exact synonyms: Genus Toxicodendron
Generic synonyms: Dicot Genus, Magnoliopsid Genus
Group relationships: Anacardiaceae, Family Anacardiaceae, Sumac Family
Member holonyms: Poison Ash, Poison Dogwood, Poison Sumac, Rhus Vernix, Toxicodendron Vernix, Markweed, Poison Ivy, Poison Mercury, Poison Oak, Rhus Radicans, Toxicodendron Radicans, Rhus Diversiloba, Toxicodendron Diversilobum, Western Poison Oak, Eastern Poison Oak, Rhus Quercifolia, Rhus Toxicodenedron, Toxicodendron Quercifolium, Chinese Lacquer Tree, Japanese Lacquer Tree, Japanese Sumac, Japanese Varnish Tree, Lacquer Tree, Rhus Verniciflua, Toxicodendron Vernicifluum, Varnish Tree
Generic synonyms: Dicot Genus, Magnoliopsid Genus
Group relationships: Anacardiaceae, Family Anacardiaceae, Sumac Family
Member holonyms: Poison Ash, Poison Dogwood, Poison Sumac, Rhus Vernix, Toxicodendron Vernix, Markweed, Poison Ivy, Poison Mercury, Poison Oak, Rhus Radicans, Toxicodendron Radicans, Rhus Diversiloba, Toxicodendron Diversilobum, Western Poison Oak, Eastern Poison Oak, Rhus Quercifolia, Rhus Toxicodenedron, Toxicodendron Quercifolium, Chinese Lacquer Tree, Japanese Lacquer Tree, Japanese Sumac, Japanese Varnish Tree, Lacquer Tree, Rhus Verniciflua, Toxicodendron Vernicifluum, Varnish Tree
Medical Definition of Toxicodendron
1. A genus (formerly rhus) of shrubs, vines, or trees that yields a highly allergenic oleoresin which causes a severe contact dermatitis. The most toxic species are toxicodendron vernix (poison sumac), t. Diversilobum (poison oak), and t. Radicans (poison ivy). T. Vernicifera yields a useful varnish from which certain enzymes (laccases) are obtained. (12 Dec 1998)
Lexicographical Neighbors of Toxicodendron
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