| Family | Hamamelidaceae |
| Scientific name | Disanthus cercidifolius Maximowicz |
| Synonyms | none |
| Common name | (Japanese common name) maruba-no-ki [round leaves tree] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Central region), Shikoku |
| (Other nations) none | |
| Chromosomal number | 2n=16 |
| Description | Plants 200-400cm. Leaves 5-10cm. Flowers 5 red petals each 7-8mm, flowering in Octover to December. Deciduous. Sub. |
| Reference | Disanthus cercidifolius Maxim. |
| Disanthus cercidifolius Maximowicz subsp. longipes (H. T. Chang) K. Y. Pan |
| November 2006 at Tsukuba Botanical Garden |
November 2006 at Tsukuba Botanical Garden |
November 2006 at Tsukuba Botanical Garden |
| April 2007 at Tsukuba Botanical Garden |
| December 2007 at Ibaraki Prefecture Botanical Garden |