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| March 2006 at Tsukuba Botanical Garden |
March 2006 at Tsukuba Botanical Garden |
March 2006 at Tsukuba Botanical Garden |
| Family | Cyperaceae |
| Scientific name | Carex oshimensis Nakai |
| Synonyms | Carex oshimensis Nakai forma variegata H. Takahashi |
| Common name | (Japanese common name) oh-shima kan-suge [Oh-shima Island winter sedge (Oh-shima = biggest island in Izu islands)] |
| (English common name) none | |
| Distribution | (Japan) Izu islands |
| (Other nations) none | |
| Chromosomal number | 2n=34, 38 |
| Description | Flowers flowering in March to May. Perennial plants. |
| Note | Native to Japan |
| Note | Carex hachijoensis Akiyama is not a synonym of Carex oshimensis Nakai. |
| Carex morrowii Boott is not a synonym of Carex oshimensis Nakai. |
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| March 2006 at Tsukuba Botanical Garden |
March 2006 at Tsukuba Botanical Garden |
March 2006 at Tsukuba Botanical Garden |
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| March 2006 at Tsukuba Botanical Garden |
