Leaves are alternate, oddly pinnate. Leaflets are opposite with entire margin.
Many white flowers open in July to August.
It grows on the wetty fertile places in the cool or warm temprate zone.
The wood is used for alcove-posts, furniture, handles of implements.
Distribution ; Hokkaido, Honshu, Shikoku, Kyushu, Korea, Kuriles
Japanese Name Index
Scientific Name Index