| Family | RANUNCULACEAE |
| Genus species | Coptis japonica (Thunb.) Makino |
| Bibliography | Bot. Mag. (Tokyo) 13(148): 198 (1899) |
| Native Range | c. & s. Japan |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Description | lower leaves ternate, leaflets simple or shallowly lobate, 2-5cm long, broadly ovate, acute, petiolulate, irregularly acute-dentate, flowers 1-3, ca. 1cm across |
| Size | 15-20cm |
| Color | white |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | cold, shady site with a humous, moist soil alpine house, moist, humous soil, shade |
| Propagation | fresh seed, germ. 3-12 months, 13-16°C division in early spring |
| Synonyms | Coptis brachypetala Siebold & Zucc. Coptis brachypetala f. pygmaea Miq. Coptis japonica f. brachypetala (Siebold & Zucc.) Makino Coptis orientalis Maxim. Thalictrum japonicum Thunb. |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |