| Family | POLYGONACEAE |
| Genus species | Bistorta hayachinensis (Makino) H.Gross |
| Bibliography | Bull. Acad. Int. Géogr. Bot. 23: 16 (1913) |
| Native Range | Japan (n. Honshu) |
| Primary Biome | Subalpine |
| Habitat | grassland |
| Description | glabrous, lower leaves rigid, ovate or narrowly ovate, 3-4cm, obtuse, shallowly cordate, not decurrent, abaxially glaucous, spikes solitary, terminal, elipsoid, dense, 2-3cm |
| Size | 10-30cm |
| Color | rose |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | humous, moist, but in winter drier, semi-shady site alpine house, moist, humous soil, shading in summer |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C division in spring; cuttings in late spring and late summer |
| Synonyms | Polygonum hayachinense Makino |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |