When you think of Japanese maple, this is the tree you are probably thinking of. Across much of Western Honshu, it’s the predominant variety. It is also widespread throughout Fukushima, Shikoku and Kyushu. While the leaves are big and bold, the tree itself is relatively small, growing to a maximum of about 10 metres. The leaves typically grow to about 5cm in diametre and are split into three to seven sections.