Synonyma: Philadelphus gordonianus, Philadelphus lewisii subsp. gordonianus, Philadelphus lewisii var. angustifolius, Philadelphus lewisii var. ellipticus, Philadelphus lewisii var. gordonianus, Philadelphus lewisii var. helleri, Philadelphus lewisii var. intermedius, Philadelphus lewisii var. oblongifolius, Philadelphus lewisii var. parvifolius, Philadelphus…