| Family | BRASSICACEAE |
| Genus species | Physaria arctica (Wormsk. ex Hornem.) O‘Kane & Al-Shehbaz |
| Bibliography | Novon 12: 321 (2002) |
| Native Range | e. Siberia to n. Russian Far East, Subarctic America to n. Canada |
| Primary Biome | Subarctic |
| Habitat | rocky slopes |
| Description | basal leaves spathulate or oblanceolate, thinly petiolate, flowers 2-8, long pedicellate, silicles spherical or subpyriform, pedicels erect, 1-2cm long |
| Size | 5-10cm |
| Color | yellow |
| Bloom | spring |
| Ca | + |
| Type | subshrub |
| 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 month, 10-16°C cuttings of rosettes in late summer |
| Synonyms | Alyssum arcticum Wormsk. ex Hornem. Lesquerella arctica (Wormsk. ex Hornem.) S.Watson Lesquerella arctica var. minor Tatew. & Kobayashi Lesquerella arctica var. purshii S.Watson Lesquerella arctica ssp. purshii (S.Watson) A.E.Porsild Lesquerella arctica var. scammaniae Rollins Lesquerella purshii (S.Watson) Fernald Vesicaria andicola Gillies ex Hook. & Arn. Vesicaria arctica (Wormsk. ex Hornem.) Richardson Vesicaria arctica var. leiocarpa Trautv. Vesicaria leiocarpa (Trautv.) N.Busch |
| Territory | 3 Asia-Temperate 30 Siberia (YAK Yakutskiya) 31 Russian Far East (MAG Magadan) 7 Northern America 70 Subarctic America (ALU Aleutian Is., ASK Alaska, GNL Greenland, NUN Nunavut, NWT Northwest Territories, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba) 72 Eastern Canada (LAB Labrador, NFL Newfoundland, QUE Québec) |
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