Euonymus japonicus is native in japan (and perhaps china and korea) but has been widely introduced for cultivation as an ornamental or hedge plant.
Native to japan, china, and korea, the evergreen euonymus is an evergreen shrub or small tree. Water thoroughly when the top 1/2 inch of potting mix is dry to the touch. Euonymus japonicus 'aureus' ,euonymus japonicus 'duc d'anjou' history: Euonymus japonicus 'microphyllus variegatus' | euonymus japonicus microphyllus.