| Family | Cyperaceae |
| Scientific name | Carex multifolia Ohwi |
| Synonyms | Carex dolichostachya Hayata subsp. multifolia (Ohwi) T. Koyama; Carex dolichostachya Hayata var. glaberrima (Ohwi) T. Koyama |
| Common name | (Japanese common name) miyama kan-suge (ミヤマカンスゲ, 深山寒菅 [meaning: mountain winter sedge]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (southwest region), Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Taiwan | |
| Chromosomal number | 2n=30, 60, 64, 65, 66 |
| Description | Leaves 3-8mm wide. Flowers male sikelet at top, female spikelet at side, flowering in March to July. Perennial plants. |
| Reference | A synopsis of chromosome number variation in the Cyperaceae |
| March 2007 at Institute for Nature Study |
March 2007 at Institute for Nature Study |
| March 2007 at Institute for Nature Study |
March 2007 at Institute for Nature Study |
| March 2007 at Institute for Nature Study |
March 2007 at Institute for Nature Study |
| April 2007 at Institute for Nature Study |
April 2007 at Institute for Nature Study |
April 2007 at Institute for Nature Study |