Leaves are opposite, palmately 5-7 lobed, argute-serrate.
Petioles are 5-12 cm long, reddish, densely pilose.
This is one of the most common trees in the subalpineforests from valleys to ridges.
It is planted for garden trees.
D istribution ; Hokkaido, Honshu, Shikoku, Korea, Manchuria, Saghalien, Siberia