| Family | GENTIANACEAE |
| Genus species | Gentiana yakushimensis Makino sect. Kudoa |
| Bibliography | Bot. Mag. (Tokyo) 23: 252 (1909) |
| Native Range | Japan, Taiwan |
| Primary Biome | Temperate |
| 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 | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 10-13°C division in spring; cuttings in late summer |
| Synonyms | Kudoa yakushimensis (Makino) Masam. |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan, TAI Taiwan) |