| Man’yō Name | Tukikusa 月草、鴨頭草（ つきくさ） |
| Modern Name | Tsuyukusa 露草（ツユクサ） |
| English Names | [Asiatic] dayflower |
| Scientific Name | F. Commelinaceae Commelina communis |
| Distribution | Hokkaido, Honshu, Shikoku, Kyushu |
| Appearance | |
| Seasonal Association | Autumn |
Poems (9)
| MYS IV: 583 MYS VII: 1255 MYS VII: 1339 |
MYS VII: 1351 MYS X: 2281 |
MYS X: 2291 MYS XI: 2756 |
MYS XII:3058 MYS XII: 3059 |