| Family | Violaceae |
| Scientific name | Viola orientalis (Maximowicz) W. Becker |
| Synonyms | Viola uniflora L. var. orientalis Maximowicz; Viola conferta (W. Becker) Nakai; Viola orientalis (Maximowicz) W. Becker var. conferta W. Becker; Viola xanthopetala Nakai |
| Common name | (Japanese common name) ki-sumire [yellow viola], ichige-sumire [single flower viola] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Yamanashi prefecture), Kyushu (Mt. Aso) |
| (Other nations) Russia (Far East), Korea, China | |
| Chromosomal number | 2n=12 |
| Description | Plants 10-20cm. Leaves 1.5-4cm long, 1-3cm wide. Flowers yellow petals 12-15mm long, flowering in April to May. Perennial plants. |
| Reference | Viola orientalis (Maximowicz) W. Becker |
| Viola orientalis (Maxim.) W. Becker | |
| A composition for the treatment of oral lesions (WO/2007/042932) | |
| Tissue culture of perfume plant (Japanese Patent JP02027982/1990) |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
| April 2008 at Tsukuba Botanical Garden |
April 2008 at Tsukuba Botanical Garden |
April 2008 at Tsukuba Botanical Garden |