| Family | Rubiaceae |
| Scientific name | Hedyotis grayi Bentham |
| Synonyms | none |
| Common name | (Japanese common name) shima-zakura [Izu Islands sakura] |
| (English common name) none | |
| Distribution | (Japan) Izu Islands |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants 1m. Flowers white, flowering in July to October. Evergreen. Shrub. |
| Note | Rare species. |
| April 2007 at Koishikawa Botanical Garden |
April 2007 at Koishikawa Botanical Garden |