Leaves are alternate, orbicular-ovate, abruptly long acuminate at the apex, slightly cordate at the base, scabrous above, pubescent beneath.

Flowers in April to June with leaves.

False fruits are ripening red to black in June to July.

This mulberry is one of the commonest trees in Japan and planted for feeding silkworms.

The wood, hard and heavy, is used for furniture, cabinet work, inlaid works, sculptures.

Distribution ; Hokkaido, Honshu, Shikoku, Kyushu, Korea, China, Kuriles, Saghalien