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| March 2006 at Tsukuba Botanicak Garden |
March 2006 at Tsukuba Botanicak Garden |
March 2006 at Tsukuba Botanicak Garden |
| Family | Cyperaceae |
| Scientific name | Carex oahuensis C. A. Meyer var. robusta Franchet & Savatier |
| Synonyms | Carex boottiana Hooker et Arnott; Carex wahuensis C. A. Meyer subsp. robsuta (Franchet & Savatier) T. Koyama; Carex wahuensis C. A. Meyer var. robsuta Franchet & Savatier |
| Common name | (Japanese common name) hige-suge [beard sedge], iso-suge [coastal sedge] |
| (English common name) Oahu sedge | |
| Distribution | (Japan) Honshu (west of Tokai region, Izu isilanda), Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, Taiwan | |
| Chromosomal number | 2n=62 |
| Description | Flowers culms 30-50cm, male spikelet 3-5cm flowering in April to June. Perennial plants. |
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| March 2006 at Tsukuba Botanicak Garden |
March 2006 at Tsukuba Botanicak Garden |
March 2006 at Tsukuba Botanicak Garden |
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| March 2006 at Tsukuba Botanicak Garden |
March 2006 at Tsukuba Botanicak Garden |
March 2006 at Tsukuba Botanicak Garden |
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| May 2006 at Tsukuba Botanicak Garden |
May 2006 at Tsukuba Botanicak Garden |
May 2006 at Tsukuba Botanicak Garden |
