| Family | Rosaceae |
| Scientific name | Potentilla cryptotaeniae Maximowicz |
| Synonyms | Potentilla aegopodiifolia H. Léveillé; Potentilla cryptotaeniae Maximowicz var. obovata Th. Wolf; Potentilla cryptotaeniae Maximowicz var. obtusata Th. Wolf |
| Common name | (Japanese common name) mitsumoto-sou [mitsumoto weed (mitsumoto = mizu-moto = headspring)] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Kyushu |
| (Other nations) Russia, Korea, China | |
| Chromosomal number | 2n=14 |
| Description | Plants 50-70cm. Leaves leaflets 3-7cm length, 1.5-3cm width. Flowers yellow 1cm, flowering in July to September. Perennial plants. |
| Reference | Potentilla cryptotaeniae Maximowicz |
| Note | Flowers and leaves of Potentilla cryptotaeniae are obviously different from Potentilla novergica. |
| August 2006 at mountane marsh |
August 2006 at mountane marsh |
August 2006 at mountane marsh |