54,708 observationsVulnerable
Pacific poison oak
Toxicodendron diversilobum
Taxonomy
Kingdom: Plantae βΊPhylum: Tracheophyta βΊClass: Magnoliopsida βΊOrder: Sapindales βΊFamily: Anacardiaceae βΊGenus: Toxicodendron
About
Toxicodendron diversilobum (syn. Rhus diversiloba), commonly named Pacific poison oak or western poison oak, is a woody vine or shrub in the Anacardiaceae (sumac) family. It is widely distributed in western North America, inhabiting conifer and mixed broadleaf forests, woodlands, grasslands, and chaparral biomes. Peak flowering occurs in May. Like other members of the Toxicodendron genus, T. diversilobum causes itching and allergic rashes in many humans after contact by touch or smoke inhalation.
Frequently Asked Questions
- The scientific name of Pacific poison oak is Toxicodendron diversilobum.
- Pacific poison oak belongs to the kingdom Plantae.
- Pacific poison oak belongs to the phylum Tracheophyta.
- Pacific poison oak belongs to the class Magnoliopsida.
- Pacific poison oak belongs to the order Sapindales.
- Pacific poison oak belongs to the family Anacardiaceae.
- Pacific poison oak belongs to the genus Toxicodendron.