| Family | HYPERICACEAE |
| Genus species | Hypericum pseudopetiolatum R.Keller sect. Hypericum |
| Bibliography | Bull. Herb. Boissier 5: 638 (1897) |
| Native Range | Japan |
| Primary Biome | Temperate |
| Habitat | shady rocks |
| Description | leaves sessile, narrowly oblong to oblanceolate, membranous, rounded, flat, tapered to pseudopetiole, inflorescence cylindrical, flowers 8-13mm, petals narrowly oblong |
| Size | 10-30cm |
| Color | yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | shady, humous, rock crevices alpine house, humous, gravelly soil, shade |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Hypericum fukudae H.Koidz. Hypericum koshiense H.Koidz. Hypericum lygophyllum H.Koidz. Hypericum oliganthum f. elatum Y.Kimura Hypericum oliganthum f. montanum Y.Kimura Hypericum oliganthum f. suberectum Y.Kimura Hypericum penthrodes f. lucidum Y.Kimura Hypericum pseudopetiolatum f. elatum (Y.Kimura) Y.Kimura Hypericum pseudopetiolatum f. koshiense (Koidz.) Y.Kimura Hypericum pseudopetiolatum f. montanum (Y.Kimura) Y.Kimura Hypericum pseudopetiolatum f. suberectum (Y.Kimura) Y.Kimura |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |