| Family | CARYOPHYLLACEAE |
| Genus species | Cerastium arcticum Lange |
| Synonyms | Cerastium hyperboreum Tolm. |
| Cerastium latifolium Hartm. | |
| Habitat | rocks |
| Altitude | arctic-subarctic |
| Description | thinly rhizomatous, leaves obovate to elliptic, 10-15mm long, yellow-green, glabrous to shortly white hirsute, ciliate, corolla 18-25mm across, petals emarginate |
| Size | 5-10cm |
| Color | white |
| Bloom | spring, summer |
| Ca | |
| Type | lax carpet |
| 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, 13-18°C division in early spring; cuttings in late summer |
| Territory |
Circumpolar
Europe Northern Europe (Finland , Fřroyar , Iceland , Norway , Svalbard , Sweden ) Eastern Europe (North European Russia ) Asia-Temperate Siberia (West Siberia ) Northern America Subarctic America (Greenland , Nunavut , Northwest Territories ) Eastern Canada (Labrador , Québec) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | CARYOPHYLLACEAE
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