Toxicodendron diversilobum - Wikipedia
Toxicodendron diversilobum (syn. Rhus diversiloba), commonly named Pacific poison oak[1] or western poison oak, is a woody vine or shrub in the sumac family, Anacardiaceae. It is widely distributed in western North America, inhabiting conifer and mixed broadleaf forests, woodlands, grasslands, and chaparral biomes. [2] .
Pacific Poison-oak and Western Poison-ivy: Identification and ...
Discusses how to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants' oily substance, urushiol, which can cause an allergic contact dermatitis.
Western Poison Oak - Calscape
Toxicodendron diversilobum, commonly named poison oak, Pacific poison oak or western poison oak, is a woody vine or shrub widely distributed in western North America. It is common in various habitats, from riparian zones to dry chaparral.
Pacific Poison Oak - U.S. National Park Service
2020年5月28日 · Toxicodendron diversilobum, otherwise known as Pacific or western poison oak, is a perennial, deciduous shrub—sometimes growing as a vine—that dons its leafy cloak in February and March. Its stems grow quickly over the next 2 …
Toxicodendron diversilobum (Torr. & A. Gray) Greene - Calflora
Toxicodendron diversilobum is a vine or shrub that is native to California, and also found elsewhere in western North America. Toxicity: Severe skin irritation from touching any part of this plant. This plant is available commercially. Jepson eFlora.
Poison Oak: How to Identify It, and What to Do if You've Been …
2012年11月26日 · The two have fairly distinct ranges within North America, with T. diversilobum concentrated mostly in the western region of the United States and Canada (hence the common name Pacific Poison Oak, or Western Poison Oak), and T. pubescens growing primarily in the south-eastern quarter of the United States (lending it the common name Eastern ...
Poison oak | Description, Distribution, & Poison | Britannica
poison oak, either of two species of poisonous plants of the cashew family (Anacardiaceae), native to North America. Pacific, or western, poison oak (Toxicodendron diversilobum) is found in western North America, ranging from Baja California, Mexico, to British Columbia, Canada.
POISON OAKS: Eastern poison oak and Western poison oak
2013年2月24日 · Western poison oak is adapted to a great range of environments like moist evergreen forest, woodlands, dry chaparral and by rivers and creeks. It grows in many different soils but seems to prefer sunny places, clear and not too dry.
Pacific Poison Oak, Toxicodendron diversilobum - Native …
Names: Pacific Poison-Oak belongs to a genus of plants well known to cause severe skin irritation after contact. Toxicodendron means “poison tree.” Diversilobum means “different lobes,” due to its irregularly lobed leaflets that resemble oak leaves. This species may also be called Western or California Poison-Oak or Yeara.
Toxicodendron diversilobum - Plant Finder - Missouri Botanical Garden
Toxicodendron diversilobum (synonymous with Rhus diversiloba), is commonly called poison oak. It is noted for causing significant and long-lasting skin irritations (allergic dermatitis) in most humans who come into contact with the plant.