Santa Monica Mountains National Recreation Area


"Leaves of three, Let it be..."




Poison Oak

Toxicodendron diversilobum
Family: Anacardiaceae (Sumac).

Circle X Ranch: Grotto trail, riparian woodland, 3-8-04.



Small white flowers in the Spring.


The leaves are usually shiny (unless covered with dust.)


New growth often reddish.


When it takes the form of a climbing vine it can appear overhead on trails by drooping from trees.


Dense, thick growth along both sides of a trail.


Fall colors and white berries.


An unusual plant having some leaves with more than three leaflets.










Compared to Basket Brush






Compared to Leather Root






Compared to California Blackberry






Compared to Virgins Bower






Mixed With Virgin's Bower on Toyon





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