| Family | Ranunculaceae |
| Subfamily | Ranunculoideae |
| Tribe | Ranunculeae |
| Scientific name | Ranunculus japonicus Thunberg |
| Synonyms | Ranunculus acris L. subsp. japonicus (Thunberg) Hultén; Ranunculus acris L. var. japonicus (Thunberg) Maximowicz; Ranunculus acris L. var. schizophyllus H. Léveillé; Ranunculus japonicus Thunberg forma latissimus (Kitagawa) Kitagawa; Ranunculus japonicus Thunberg var. latissimus Kitagawa; Ranunculus labordei H. Léveillé |
| Common name | (Japanese common name) uma-no-asigata (ウマノアシガタ, 馬足形 [meaning: horse footprints]), kinpouge (キンポウゲ, 金鳳花 [meaning: Buttercup]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia (Far East), Korea, China, Taiwan | |
| Chromosomal number | 2n=14 |
| Description | Plants electing 30-70cm tall. Leaves 3-7cm wide. Flowers yellow 1.5-2cm across, flowering in April to May. Seeds 2.5mm long. Perennial plants. |
| Reference | Ranunculus japonicus Thunb. |
| Ranunculus japonicus Thunberg | |
| Anti-microbial compositions (US Patent 6951833/2005) | |
| Use of anemonin for treating aseptic inflammations (US Patent 7297353/2007) | |
| Plant Germination Inhibitor And Method Of Use Thereof (US Patent Application 20070274956) | |
| Genetic diversity and genetic structure of populations of Ranunculus japonicus Thunb. (Ranunculaceae) | |
| A New Variety of Ranunculus japonicus (Ranunculaceae) and Its Genetic Relationships to the Related Species of Sect. Acris in Japan |
| May 2008 at Mt. Tsukuba |
May 2008 at Mt. Tsukuba |
May 2008 at Mt. Tsukuba |
| May 2008 at Mt. Tsukuba |
| April 2006 at farmyard in Kyushu |
April 2006 at farmyard in Kyushu |