Medical Dictionary

poison sumac


poison sumac

noun poison su·mac \-ˈs(h)ü-ˌmak\

Definition of POISON SUMAC

:  an American swamp shrub of the genus Rhus (R. vernix synonym Toxicodendron vernix) that has smooth pinnate leaves, greenish flowers, and greenish white berries and produces an irritating oil—called also poison dogwood
March 05, 2015
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