Search results
Results from the WOW.Com Content Network
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]
Toxicodendron vernix (L.) Kuntze (synonym Rhus vernix) – Poison sumac is a tall shrub or a small tree, from 2–7 m tall. It is found in swampy, open areas and reproduces by seeds. It is found in swampy, open areas and reproduces by seeds.
Searsia parviflora, commonly known as small-flowered poison sumac, is a species of flowering plant native to the northern Indian subcontinent and Myanmar. [2] It is a much-branched shrub or small tree bearing stalked leaves with three leaflets; the end leaflet is larger than the other two. The leaflets are obovate, with rounded tips, tapering ...
Toxicodendron vernix, commonly known as poison sumac, [4] or swamp-sumach, [5] is a woody shrub or small tree growing to 9 metres (30 feet) tall. [ 6 ] [ 7 ] It was previously known as Rhus vernix . This plant is also known as thunderwood , particularly where it occurs in the southern United States.
The Anacardiaceae, commonly known as the cashew family [1] or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. [2] Members of the Anacardiaceae bear fruits that are drupes and in some cases produce urushiol , an irritant .
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.
Toxicodendron radicans images at bioimages. vanderbilt.edu; Poison Ivy, Ontario Ministry of Agriculture, Food and Rural Affairs; Common weeds of the northern United States and Canada: Western poison oak, poison ivy and poison sumac. (Anacardiaceae-family) Large site with many photos, facts, products, rash images, and a quiz about poison ivy.
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.