| Family | Ranunculaceae |
| Subfamily | Isopyroideae |
| Tribe | Isopyreae |
| Subtribe | Isopyrineae |
| Scientific name | Dichocarpum nipponicum (Franchet) W. T. Wang et P. K. Hsiao |
| Synonyms | Isopyrum nipponicum Franchet; Isopyrum ohwianum hort. |
| Common name | (Japanese common name) adzuma shirokane-sou (アズマシロカネソウ, 東白銀草 [meaning: adzuma silver flower weed (adzuma = an old name of northeastern Japan)] |
| (English common name) none | |
| Distribution | (Japan) Honshu (mainly Japan Sea side, south of Akita Prefecture, north of Fukui Prefecture) |
| (Other nations) none | |
| Habitat | Mountane wet field |
| Chromosomal number | unknown |
| Description | Plants 10-25cm tall. Leaves 2-4cm wide. Flowers yellow-green (outside purple) 7-10mm across, flowering in April to July. Perennial plants. |
| Reference | Dichocarpum nipponicum (Franch.) W.T.Wang & P.K.Hsiao |
| April 2007 at Yukiguni Botanical Gardem |
April 2007 at Yukiguni Botanical Gardem |
April 2007 at Yukiguni Botanical Gardem |