Acer tschonoskii
Acer tschonoskii, the butterfly maple or Tschonoski's maple, is a species of shrub or small tree native to Japan and the Kuril Islands. It is one of the least invasive, easiest to grow, and hardiest species of maples, but remains rarely used in gardens. A. tschonoskii naturally grows in subalpine habitats, at elevations between. A. tschonoskii var. australe,, a variety of A. tschonoskii, is distributed from Iwate Prefecture southward to Shikoku and Kyushu.