| Family | HYPERICACEAE |
| Genus species | Hypericum senanense Maxim. sect. Hypericum |
| Bibliography | Bull. Acad. Imp. Sci. Saint-Pétersbourg, sér. 3, 31: 16 (1886) |
| Native Range | Japan (c. Honshu) |
| Primary Biome | Temperate |
| Habitat | grassland |
| Description | glabrous, leaves elliptic or oblong, 2-5cm, obtuse or rounded, on margins black punctate, bracts foliate, ovate, flowers 15-18mm across, sepals oblong, obtuse |
| Size | 10-40cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Hypericum kamtschaticum var. decorum Y.Kimura Hypericum kamtschaticum var. senanense (Maxim.) Y.Kimura |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |