Anacardiaceae
Pacific poison oak
Toxicodendron diversilobum
- Family
- Anacardiaceae
- Genus
- Toxicodendron
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Common names
By language (8)
- Arabic
- سنديان السُّمّ الهادئي, سنديان السم, سنديان السم الغربي, سنديان السم الهادئي
- Chinese
- 西毒橡树, 西毒橡樹
- English
- Pacific poison oak, Pacific poison-oak, Pacific poisonoak, Poison oak, Western poison oak
- French
- Sumac de l'Ouest
- German
- Gifteiche
- Hebrew
- אוג ארסי מערבי
- Persian
- بلوط سمی غربی
- Swedish
- Giftsumak
Synonyms
- Rhus diversiloba Torr. & A.Gray
- Rhus diversiloba f. quinquifolia McNair
- Rhus diversiloba f. radicans McNair
- Rhus lobata Hook.
- Rhus toxicodendron subsp. diversiloba (Torr. & A.Gray) Engl.
- Toxicodendron comarophyllum Greene
- Toxicodendron dryophilum Greene
- Toxicodendron isophyllum Greene
- Toxicodendron oxycarpum Greene
- Toxicodendron radicans subsp. diversilobum (Torr. & A.Gray) Thorne
- Toxicodendron vaccarum Greene
Characteristics
- Growth habit
- Shrub, Vine
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Elf, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Franco Folini from San Francisco, USA, CC BY-SA 2.0, from Wikimedia Commons Photo: Lucia Toman, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Franco Folini from San Francisco, USA, CC BY-SA 2.0, from Wikimedia Commons Photo: Steph B, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: William Cowie, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: Adam Adaskaveg, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: Frédéric Dupont, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: ASHER Valdes, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: Laura Quarantiello, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: paddy_28, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: paddy_28, CC BY-SA 4.0, from Pl@ntNet via GBIF
More in Toxicodendron
- Eastern poison ivyToxicodendron radicansAnacardiaceae
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- Atlantic poison oakToxicodendron pubescensAnacardiaceae
- Poison sumacToxicodendron vernixAnacardiaceae
- Mountain lacquer treeToxicodendron silvestreAnacardiaceae
- Toxicodendron orientaleAnacardiaceae
- Toxicodendron trichocarpumAnacardiaceae
- Toxicodendron calcicolaAnacardiaceae
- Western poison ivyToxicodendron rydbergiiAnacardiaceae
- Toxicodendron striatumAnacardiaceae
- Toxicodendron acuminatumAnacardiaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.