| Family | Violaceae |
| Subfamily | Violoideae |
| Tribe | Violeae |
| Scientific name | Viola grypoceras A. Gray var. exilis (Miquel) Nakai |
| Synonyms | Viola grypoceras A. Gray forma yakusimensis (Masamune) Sugimoto; Viola grypoceras A. Gray var. yakusimensis Masamune; Viola pruniflora Nakai; Viola sylvestris Lamarck forma c. exilis Miquel |
| Common name | (Japanese common name) ko-tachi-tsubo-sumire (コタチツボスミレ, 小立壷菫 [meaning: amall electing Inkpot viola]), yakushima-tachi-tsubo-sumire (ヤクシマタチツボスミレ, 屋久島立壷菫 [meaning: Yakushima Island electing Inkpot viola]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kinki region), Shikoku, Kyushu, Okinawa |
| (Other Nations) Korea, Taiwan | |
| Habitat | Mountane forest edge. |
| Chromosomal number | 2n=20 |
| Description | Plants electing ca. 5-10cm. Leaves ca. 1cm long. Flowers pale purple or white ca. 1.5cm across, flowering in March to May. Perennial plants. |
| Reference | Viola grypoceras A. Gray var. exilis (Miq.) Nakai |
| Betrachtungen uber die Chromosomenzahlen von Viola, Violaceen und verwandten Familien | |
| Note | Some authors wrote that Viola grypoceras var. exilis should be a synonym of Viola grypoceras. |
| April 2008 at a Nursery |
April 2008 at a Nursery |