| Family | GENTIANACEAE |
| Genus species | Gentiana yakushimensis Makino sect. Kudoa |
| Habitat | rocks |
| Altitude | 1600-1900m |
| Description | leaves dense, verticillate of 4, narrowly lanceolate, 1-2cm long, dark green and shiny adaxially, abaxially whitish, flowers 4cm long, solitary, terminal, 6-8-merous |
| Size | 10-15cm |
| Color | blue |
| Bloom | summer |
| Ca | |
| Type | tuft |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 10-13°C division in spring; cuttings in late spring |
| Territory |
Asia-Temperate
Eastern Asia (Japan , Taiwan) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | GENTIANACEAE
|