| Family | Cyperaceae |
| Scientific name | Carex kobomugi Ohwi |
| Synonyms | Carex macrocephala Willdenow ex Sprengel var. kobomugi (Ohwi) Miyabe & KudĂ´ |
| Common name | (Japanese common name) Koubou-mugi [Koubou wheat (Koubou = a famous Buddhist priest in ancient era of Japan)] |
| (English common name) Japanese sedge, sea isle Japanese sedge | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China, Taiwan | |
| Chromosomal number | 2n=88 |
| Description | Leaves 10-30cm length, 4-6mm width. Flowers culms 10-20cm, inflorescens 4-6cm, flowering in April to June. Perennial plants. |
| Reference | Carex kobomugi Ohwi |
| Carex kobomugi Ohwi | |
| Note | common |
| May 2006 at sandy beach |
May 2006 at sandy beach |
May 2006 at sandy beach |
| May 2006 at sandy beach |
May 2006 at sandy beach |
May 2006 at sandy beach |