| Man’yō Name | Sipi 四比、思比、椎（しひ） |
| Modern Name | Shidajii （シダジイ） |
| English Names | chinquapin, chinkapin |
| Scientific Name | F. Fagaceae Castanopsis cuspidata var. sieboldii |
| Distribution | Honshu, Shikoku, Kyushu |
| Appearance | |
| Seasonal Association |
Poems (3)
| MYS II: 142 | MYS VII: 1099 | MYS XIV: 3493 |