Shining Sumac (Rhus copallinum). Anacardiaceae. August 17, 2020 1500 × 1200 Shining Sumac (Rhus copallinum). Anacardiaceae. Also called Winged Sumac. Native. Meadows, fields, woodland edges. Throughout. Napeague, Aug 2020. Flower shown. Native. Meadows, fields, woodland edges. Throughout. Napeague, Long Island, August 2020.