Friday Pop Quiz #40

Poison sumac

The answer is E. Poison sumac.

Poison sumac leaves grow in groupings of 7-13 with a single leaf at the tip. Poison oak and poison ivy are weeds that grow along roads, trails or streams; they possess three (or occasionally five) leaflets per leaf. Poison sumac contains 7–13 leaflets per leaf. Young leaves are frequently red in color, and the mature fruit (drupes) are tan or cream-colored and hairless (young fruit has hair). Classically, poison ivy leaves have pointed tips and are ovate (widest point below the center). Poison oak leaves usually have rounded ends. Western poison oak has oval leaves, whereas Eastern poison oak has variable leaf appearances that can mimic white oak leaves.


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