Toxicodendron rydbergii

Poison Ivy

Family: Anacardiaceae
Location: Riparian, Upper-Foothills, Lower-Montane, Upper-Montane
Flower Color: Yellow, Inconspicuous
Fall Color: Red, Purple, Yellow, Orange
Time of Interest: September, October, November

At least it can be said that in our low humidity environment, the effects of a Poison Ivy rash are reduced. It's hard to love a plant that will leave you itching, but the fall color is completely astounding. In the winter, the bare stems often hold greenish white berries. This species is dioecious, meaning that plants are either male or female. The female plants produce the berries. 

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