Toxicodendron diversilobum

Poison oak

  • Height:   3 ft - 5 ft
  • Life Cycle:   perennial
  • Growth Type:   shrub
  • Flower Size:   minute
  • Flower Type:   solitary
  • Bloom Type:   spring
  • Flower Color:   yellow
  • Native to California:   YES
  • California Range:   coast - inland
  • Water Requirements:   low - medium
  • Characteristics / Comments:   toxic/irritating
  • 3550
  • 3551
35503551

Taxon report data from Calflora

Recommended Source for Photos:

View Toxicodendron diversilobum at Calflora.com

Other Sources: Picasa | Flickr | Google Images

Toxicodendron diversilobum

Common Name:Poison oak

Toxicodendron diversilobum, a dicot, is a vine, shrub that is native to California.

US Distribution:beyond CA but confined to w. North America
Plant Community(s):Yellow Pine Forest, Foothill Woodland, Chaparral, Valley Grassland, many plant communities,
Habitat:slopes
Family:Anacardiaceae

Name Status:

Recognized as current in TJM2 + PLANTS + JM93

County distribution list:

Alameda, Amador, Butte, Calaveras, ContraCosta, Colusa, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Inyo, Kern, Lake, Los Angeles, Madera, Mendocino, Monterey, Mariposa, Marin, Napa, Nevada, Orange, Placer, Plumas, Riverside, Sacramento, Santa Barbara, San Bernardino, San Benito, Santa Clara, Santa Cruz, San Diego, San Francisco, Shasta, Sierra, Siskiyou, San Joaquin, San Luis Obispo, San Mateo, Solano, Sonoma, Stanislaus, Sutter, Tehama, Trinity, Tulare, Tuolumne, Ventura, Yolo, Yuba

See a detailed Distribution Grid of this plant in Calfornia.

Links: USDA Plants Profile | Jepson Herbarium

Website references on Google

Bloom Months
(Blooming months in blue)