Leaves are opposite, on elongateing shoots.
Lateral veins are 4-5 pairs,raised beneath.
This tree is widely distributed on the ridges in the warm to the cool temperate zone.
The wood is used for utensils, machineries, handles. Fruits are edible.
Distribution ; Honshu, Shikoku, Kyushu, Ryukyu, Formosa, Korea, China