| Family | BRASSICACEAE |
| Genus species | Physaria calderi (G.A.Mulligan & A.E.Porsild) O´Kane & al. |
| Synonyms | Lesquerella calderi G.A.Mulligan & A.E.Porsild |
| Habitat | rocks |
| Altitude | 600-1500m |
| Description | taproot, basal leaves silvery green, densely pubescent, broadly ovate, stem leaves lanceolate, sessile, flowers in dense raceme, petals 6-10mm, silicles spherical or elipsoid |
| Size | 10-20cm |
| Color | yellow |
| Bloom | spring |
| Ca | + |
| Type | rosette, tuft |
| 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 |
| Territory |
Northern America
Subarctic America (Alaska , Northwest Territories , Yukon) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | BRASSICACEAE
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