Toxicodendron diversilobum (Torrey & A.Gray) Greene

Poison-oak
Anacardiaceae

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Protologue: Leafl. Bot. Observ. Crit. 1: 119 (1905)
Pronunciation: Tox-i-co-dén-dron di-ver-si-lò-bum
Etymology: "poison tree" + "diversely-lobed"

Jepson eFlora Treatment

SD County Synoptic Voucher


Distribution:
 
Left: S.D. County Plant Atlas (http://sdplantatlas.org). Right: CCH2. Click to see current herbarium records.  


 
Toxicodendron diversilobum
A common shrub of woodlands and canyons. Causes contact dermititis in many people.
Note ternate leaves. Terminal leaflet is petiolulate, laterals are sessile.

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