| Family | POLEMONIACEAE |
| Genus species | Polemonium boreale Adams |
| Synonyms | Polemonium hyperboreum Tolm. |
| Polemonium lapponicum Klokov | |
| Polemonium samojedorum Gand. | |
| Habitat | rocky slopes |
| Description | leaves mainly basal, pinnate, leaflets 13-23 pairs, elliptic to suborbiculate, hirsute, flowers ca. 12mm across, in terminal cyme |
| Size | 20-25cm |
| Color | blue, purple, white |
| Bloom | summer |
| Ca | |
| Type | tuft, fl. stem erect |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C division in spring; cuttings in late spring and late summer |
| Territory |
Circumpolar
Europe Northern Europe (Norway , Svalbard ) Eastern Europe (North European Russia ) Asia-Temperate Siberia (Krasnoyarsk , West Siberia , Yakutskiya ) Russian Far East (Kamchatka , Khabarovsk , Kuril Is. , Magadan ) Northern America Subarctic America (Alaska , Greenland , Northwest Territories , Yukon ) Western Canada (British Columbia) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | POLEMONIACEAE
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