| Family | HYPERICACEAE |
| Genus species | Hypericum trigonum Hand.-Mazz. sect. Monanthema |
| Bibliography | Symb. Sin. 7: 403 (1931) |
| Native Range | sc. China to se. Tibet and n. Myanmar |
| Primary Biome | Temperate |
| Habitat | bogs, marshes |
| Altitude | 2900-3600m |
| Description | leaves sessile, oblong to triangular-ovate, 2-3cm, abaxially paler, entire, obtuse, inflorescence cylindrical, 5-10-flowered, flowers 15-25mm across, petals elliptic |
| Size | 25-40cm |
| Color | golden-yellow |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | very moist to boggy, semi-shady site alpine house, moist, humous, sandy soil, semi-shade |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 10-16°C division in spring; cuttings in late summer |
| Territory | 3 Asia-Temperate 36 China (CHC China South-Central, CHT Tibet) 4 Asia-Tropical 41 Indo-China (MYA Myanmar) |