Latin name: Toxicodendron diversilobum (Torrey & A. Gray) E. Greene
Pronunciation: tox-i-ko-DEN-dron di-ver-si-LO-bum
Common name: Western poison oak
Family: Anacardiaceae (Sumac)
Habitat: Thickets and wooded places to about 5000' in coastal sage scrub, chaparral and oak woodlands from Baja to Canada
Blooming period: March to May
Name derivations: 1) Toxicodendron 2) diversilobum