| Family | CARYOPHYLLACEAE |
| Genus species | Cerastium arcticum Lange |
| Bibliography | Fl. Dan. [G.C.Oeder & auct. suc., eds.]: t. 2963 (1880) |
| Native Range | c. & e. Canada, Greenland, Svalbard to Novaya Zemlya |
| Primary Biome | Temperate |
| Habitat | rocks |
| 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 | 3-20cm |
| Color | white |
| Bloom | spring, summer |
| Ca | |
| Type | subshrub |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C cuttings in late summer |
| Synonyms | Cerastium alpinum var. procerum Lange Cerastium alpinum var. uniflorum Durand Cerastium arcticum ssp. hyperboreum (Tolm.) Böcher Cerastium arcticum ssp. procerum (Lange) Böcher Cerastium arcticum var. procerum (Lange) Hultén Cerastium arcticum var. vestitum Hultén Cerastium hyperboreum Tolm. Cerastium latifolium C.Hartm. Cerastium nigrescens ssp. arcticum (Lange) P.S.Lusby |
| Territory | 0 Circumpolar 1 Europe 10 Northern Europe (FIN Finland, FOR Fřroyar, ICE Iceland, NOR Norway, SVA Svalbard, SWE Sweden) 14 Eastern Europe (RUN North European Russia) 3 Asia-Temperate 30 Siberia (WSB West Siberia) 7 Northern America 70 Subarctic America (GNL Greenland, NUN Nunavut, NWT Northwest Territories) 72 Eastern Canada (LAB Labrador, QUE Québec) |