new poison oak toxicodendron diversilobum leaves and berries on a sky background, california

allergy america anacardiaceae background berries blue blurred california close closeup colorful contrast crimson dangerous detail diversilobum family garden irritation itchy ivy leaf leaves macro native new oak oil outdoors pacific plant poison rash reaction red scarlet serious shiny skin sky states sumac symbol three toxic toxicodendron united urushiol vibrant vivid west western