| Family | Cyperaceae |
| Scientific name | Carex metallica H. Léveillé |
| Synonyms | Carex alliiformis (C. B. Clarke) Hayata; Carex pachinensis Hayata |
| Common name | (Japanese common name) shira-ho suge [white head sedge], fusa-suge [room sedge] |
| (English common name) none | |
| Distribution | (Japan) Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan | |
| Chromosomal number | unknown |
| Description | Leaves 3-6mm wide. Culms 30-70cm tall. Flowers flowering in April to May. Perennial plants. |
| April 2008 at Kochi Prefecture Makino Botanical Garden |
April 2008 at Kochi Prefecture Makino Botanical Garden |
April 2008 at Kochi Prefecture Makino Botanical Garden |