| Man’yō Name | Sirikusa 知章（しりくさ） |
| Modern Name | Sankakui 三角藺（サンカクイ） |
| English Names | Triangular club-rush |
| Scientific Name | F. Cyperaceae Scirpus triqueter |
| Distribution | Honshu, Shikoku, Kyushu |
| Appearance | |
| Seasonal Association |
Poems (1)
| MYS XI: 2468 |
| Man’yō Name | Sirikusa 知章（しりくさ） |
| Modern Name | Sankakui 三角藺（サンカクイ） |
| English Names | Triangular club-rush |
| Scientific Name | F. Cyperaceae Scirpus triqueter |
| Distribution | Honshu, Shikoku, Kyushu |
| Appearance | |
| Seasonal Association |
| MYS XI: 2468 |