| Family | BORAGINACEAE |
| Genus species | Mertensia pterocarpa (Turcz.) Tatew. & Ohwi |
| Bibliography | Acta Phytotax. Geobot. 2: 25 (1933) |
| Native Range | Kuril Islands to n. Japan |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 1300-1800m |
| Description | leaves alternate, thick, petiolate, orbiculate-ovate, 2-5cm, acuminate, entire, adaxially pubescent, abaxially glabrous, flowers in cincinnus 8-15cm long, corolla tubular, 10-15mm |
| Size | 20-40cm |
| 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, germ. 1-3 months, 13-16°C division in spring; cuttings in late summer |
| Synonyms | Mertensia pterocarpa var. yezoensis Tatew. & Ohwi Mertensia pterocarpa f. yoshimurae T.Fukuda & Hideki Takah. Steenhammera pterocarpa Turcz. |
| Territory | 3 Asia-Temperate 31 Russian Far East (KUR Kuril Is.) 38 Eastern Asia (JAP Japan) |