| Family | Primulaceae |
| Scientific name | Primula cuneifolia Ledebour var. heterodonta Makino |
| Synonyms | Primula cuneifolia Ledebour subsp. heterodonta (Makino) W. W. Smith & Forrest; Primula cuneifolia Ledebour var. heterodona Makino forma nivea H. Hara |
| Common name | (Japanese common name) michonoku-ko-zakura (ミチノクコザクラ, 陸奥小桜 [meaning: Michinoku small sakura-sou [Michinoku = an old name of Tohoku region, sakura-sou = Primula sieboldii]), iwaki-ko-zakura (イワキコザクラ, 岩木小桜 [Mt. Iwaki small sakura-sou]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Mt. Iwaki) |
| (Other nations) none | |
| Habitat | Subalpine rocks or wet fields |
| Chromosomal number | 2n=22 (2x) |
| Description | Plants 5-15cm tall. Leaves 5-7.5cm long. Flowers pink or white (forma nivea), flowering in July to August. Perennial plants. |
| Note | Rare species. Endemic to Japan. |
| April 2008 at Tsukuba Botanical Garden |
July 2008 at Alpine Botanical Garden in Yzawa Highland |