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poison ash, poison dogwood, poison sumac, Toxicodendron vernix, Rhus vernix | smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil ❲Rhus vernix, Toxicodendron vernix❳ | |
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poison sumac | dermatitis resulting from contact with a poison sumac plant |