| Family | Ranunculaceae |
| Scientific name | Anemone nikoensis Maximovicz |
| Synonyms | none |
| Common name | (Japanese common name) ichi-rin-sou (イチリンソウ, 一輪草 [meaning: single flower weed]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) none | |
| Chromosomal number | 2n=16 |
| Description | Scapes 20-30cm tall. Flowers white ca. 4cm across, flowering in April. Perennial plants. |
| Reference | Anemone nikoensis Maxim. |
| Use of anemonin for treating aseptic inflammations (US Patent 7297353/2007) |
| April 2007 at Ushiku Forest Park |
April 2007 at Ushiku Forest Park |
April 2007 at Ushiku Forest Park |
| April 2007 at Institute for Nature Study |
April 2007 at Institute for Nature Study |