| Family | Cyperaceae |
| Scientific name | Carex dimorpholepis Steudel |
| Synonyms | Carex cernua Boott ex J. F. Gmelin; Carex cryptocarpa (C. A. Meyer) H. Léveillé & Vaniot; Carex phacodes Matsumura; Carex phacota (Sprengel) Franchet; Carex rubescens Boeckeler |
| Common name | (Japanese common name) aze-naruko-suge [rice paddy path clapper sedge] |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Vietnam, Malaysia, Myanmar, Nepal, India, Pakistan | |
| Chromosomal number | 2n=62, 76 |
| Description | Plants 40-70cm. Leaves 4-10mm width. Flowers bisexual sikelet at top and others female spikelets each 3-7cm, flowering in May to June. Perennial plants. |
| Reference | Carex dimorpholepis Steud. |
| May 2007 at riverside |
May 2007 at riverside |