| Family | Violaceae |
| Scientific name | Viola rossii Hemsley ex Forbes et Hemsley |
| Synonyms | Viola franchetii H. Boissieu; Viola matsumurae Makino; Viola pachyrhiza Nakai |
| Common name | (Japanese common name) akebono-sumire [dawn purple viola] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China | |
| Chromosomal number | 2n=24 |
| Description | Plants 5-10cm. Leaves 6-12cm (3-4cm in flowering time). Flowers pale purple or white 2-2.5cm, flowering in April to May. Perennial plants. |
| Reference | Viola rossii Hemsl. |
| Viola rossii Hemsley |
| April 2007 at Akagi Nature Park |
April 2007 at Akagi Nature Park |
April 2007 at Akagi Nature Park |
| April 2007 at Akagi Nature Park |
April 2007 at Akagi Nature Park |