| Family | BERBERIDACEAE |
| Genus species | Plagiorhegma dubium Maxim. |
| Bibliography | Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 9: 34 (1859) |
| Native Range | Russian Far East to Korea |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Altitude | 500-1100m |
| Description | leaves thinly petiolate, basal, orbiculate, bilobate, palmately veined, bluish green, subpeltate,, corolla openly crateriform, anthers light yellow |
| Size | 15-20cm |
| Color | bluish violet |
| Bloom | spring |
| Ca | ind |
| Type | perennial |
| Cultivation | cold, shady site with a humous, moist soil alpine house, moist, humous soil, shade |
| Propagation | seed in winter, germ. 3-12 months, 13-16°C division after flowering; cuttings in late summer |
| Synonyms | Jeffersonia dubia (Maxim.) Benth. & Hook.f. ex Baker & Moore Jeffersonia manchuriensis Hance |
| Territory | 3 Asia-Temperate 31 Russian Far East (KHA Khabarovsk, PRM Primorye) 36 China (CHM Manchuria) 38 Eastern Asia (KOR Korea) |
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