| Family | HYPERICACEAE |
| Genus species | Hypericum ovalifolium Koidz. sect. Hypericum |
| Bibliography | Bot. Mag. (Tokyo) 32: 61 (1918) |
| Native Range | Japan (Honshu) |
| Primary Biome | Temperate |
| Habitat | rocks |
| Description | leaves sessile, patent, 2-3cm, ovate, cartilagineous, rounded, flat, shallowly cordate, the upper subamplexicaule, 3-25-flowered, corolla 18-25mm, petals oblong |
| Size | 15-40cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | subshrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 10-16°C cuttings in late summer |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |