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| May 2007 at Mt. Tsukuba |
May 2007 at Mt. Tsukuba |
May 2007 at Mt. Tsukuba |
| Family | Violaceae |
| Scientific name | Viola obtusa (Makino) Makino |
| Synonyms | Viola obtusa (Makino) Makino forma nuda (Ohwi) F. Maekawa; Viola ovato-oblonga var. obtusa Makino |
| Common name | (Japanese common name) nioi-tachi-tsubo-sumire [fragrant electing inkpot viola] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea, Taiwan | |
| Chromosomal number | 2n=20 |
| Description | Leaves 2.5-4cm length. Flowers pale pueple petals 1.2-1.5cm, flowering in April to May. Perennial plants. |
| Reference | Viola obtusa (Makino) Makino |
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| May 2007 at Mt. Tsukuba |
May 2007 at Mt. Tsukuba |
May 2007 at Mt. Tsukuba |
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| May 2007 at Mt. Tsukuba |
May 2007 at Mt. Tsukuba |
May 2007 at Mt. Tsukuba |
