| Family | Nymphaeaeceae |
| Scientific name | Nuphar subintegerrima (Caspary) Makino |
| Synonyms | Nuphar coreanum Nakai ex Chung & al.; Nuphar japonicum de Candolle var. subintegerrimum Caspary; Nymphozanthus subintegerrimus (Caspary) Fernald |
| Common name | (Japanese common name) hime koh-hone (ヒメコウホネ, 姫河骨 [meaning: dwarf koh-hone (koh-hone = Nuphar japonicum de Candolle)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Korea | |
| Habitat | Pond, lake, swamp |
| Chromosomal number | 2n=34 |
| Description | Leaves floating, 5-20cm long. Flowers yellow ca. 2-3cm, flowering in May to October. Water plants. Perennial plants. |
| Reference | Morphological Variation and Classification of Nuphar with Special Reference to Populations in Central to Western Japan |
| Note | Rare species. |
| Nuphar subintegerrima (Caspary) Makino is not a synonym of Nuphar japonica de Candolle. |
| July 2008 at Ohsaka City Prefecture Botanical Garden |
July 2008 at Ohsaka City Prefecture Botanical Garden |
| July 2008 at the Imperial Palace |
July 2008 at the Imperial Palace |
July 2008 at the Imperial Palace |