| Family | BORAGINACEAE |
| Genus species | Mertensia longiflora Greene |
| Bibliography | Pittonia 3: 261 (1898) |
| Native Range | w. Canada to w. USA |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Description | glabrous, basal leaves petiolate, broadly elliptic to orbiculate, stem leaves sparse, 2-6cm long, obtuse, inflorescence subcapitate, corolla 15-25mm long |
| Size | 10-40cm |
| Color | blue |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in winter, germ. 1-3 months, 13-16°C division in spring; cuttings in late summer |
| Synonyms | Mertensia horneri Piper Mertensia longiflora f. alba B.Boivin Mertensia longiflora var. horneri (Piper) J.F.Macbr. Mertensia longiflora var. pulchella (Piper) J.F.Macbr. Mertensia pulchella Piper Mertensia pulchella ssp. glauca Piper |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta, BRC British Columbia) 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington) 76 Southwestern U.S.A. (CAL California, NEV Nevada) |