| Family | Rosaceae |
| Scientific name | Rubus trifidus Thunberg |
| Synonyms | Rubus aceroides Miquel; Rubus hydyastifolius A. Gray & Perry; Rubus ribifolius Siebold & Zuccarini; Rubus trifidus Thunberg forma semiplenus (Makino) Sugimoto |
| Common name | (Japanese common name) kaji-ichigo [kaji-no-ki leaved berry (kaji-no-ki = Broussonetia papyrifera)] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region, Pacific Ocean side), Izu Islands |
| (Other nations) none | |
| Chromosomal number | 2n=14 |
| Description | Plants 2m. Leaves 10-20cm. Flowers white ca. 3-4cm, flowering in April to May. Deciduous. Shrub. |
| Reference | Rubus trifidus Thunb. |
| Hyaluronidase inhibitor containing god-type ellagitannin as active ingredient (US Patent 5843911/1998) | |
| Pharmaceutical composition containing god-type ellagitannin as active ingredient (European Patent EP0727217/1996) |
| April 2007 at Tsukuba Botanical Garden |
April 2007 at Tsukuba Botanical Garden |
April 2007 at Tsukuba Botanical Garden |
| April 2007 at Tsukuba Botanical Garden |