| Family | Violaceae |
| Scientific name | Viola yedoensis Makino |
| Synonyms | Viola alisoviana Kiss; Viola alisoviana Kiss forma candida (Kitagawa) Takenouchi; Viola chinensis G. Don forma alboviolacea Skvortsov; Viola chinensis G. Don forma anomala Skvortsov; Viola chinensis G. Don forma communis Skvortsov; Viola chinensis G. Don forma dissecta Skvortsov; Viola chinensis G. Don forma glabra Skvortsov; Viola philippica Cavanilles; Viola philippica Cavanilles forma candida (Kitagawa) Kitagawa; Viola philippica Cavanilles subsp. munda W. Becker; Viola patrinii Gingins var. chinensis Gingins; Viola tosaensis Nakai; Viola yedoensis Makino forma albescens Hiyama ex F.Maekawa; Viola yedoensis Makino forma candida Kitagawa |
| Common name | (Japanese common name) noji-sumire [field roadside viola] |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Far East), Korea, China, [Taiwan, Mongolia, Philippines, Vietnam, Cambodia, Laos, Indonesia, India] | |
| Chromosomal number | 2n=24, 48 |
| Description | Plants 4-8cm. Leaves 3-6cm length. Flowers purple ca. 1cm, flowering in March to May. Perrenial plants. |
| Reference | Viola yedoensis Makino |
| Viola philippica Cavanilles | |
| Note | Viola yedoensis Makino var. pseudojaponica (Nakai) T. Hashimoto ex E. Hama & K. Nakai. (syn. Viola philippica Cavanilles var. pseudojaponica (Nakai) Y. S. Chen) occurs in southern or tropical area. |
| May 2007 at mountane forest edge |
May 2007 at mountane forest edge |