| Family | POLYGONACEAE |
| Genus species | Bistorta tenuicaulis (Bisset & S.Moore) Nakai |
| Bibliography | Sci. World (Chungking & Nanking) 24(4): 7, 295 (1926) |
| Native Range | Japan, South Korea |
| Primary Biome | Temperate |
| Habitat | grassland |
| Description | trailing rootstock, leaves ovate to elliptic, winged petiolate, pale green, abaxially purple, flowers small, campanulate, in dense raceme |
| Size | 10-15cm |
| Color | pinkish violet |
| Bloom | spring, early summer |
| Ca | - |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C division in spring; cuttings in late spring and late summer |
| Synonyms | Bistorta tenuicaulis var. nanum (Matsum. & Nakai) Nakai Persicaria tenuicaulis (Bisset & S.Moore) Cubey Polygonum bistorta var. nanum Meisn. Polygonum tenuicaule Bisset & S.Moore Polygonum tenuicaule var. nanum Matsum. & Nakai |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan, KOR Korea) |