| Family | BRASSICACEAE |
| Genus species | Physaria didymocarpa (Hook.) A.Gray |
| Bibliography | Gen. Amer. Bor. 1: 162 (1848) |
| Native Range | w. Canada to nw. USA |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 500-3100m |
| Description | silvery, basal leaves numerous, 2-8cm, obovate to broadly oblanceolate, obtuse, petiole broad, winged, petals 9-12mm long, silicles didymoid, 1-2cm long |
| Size | 5-10cm |
| Color | yellow |
| Bloom | late spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C cuttings of rosettes in late summer |
| Synonyms | Coulterina didymocarpa (Hook.) Kuntze Physaria didymocarpa var. contractoreplum Kuntze Physaria didymocarpa var. normalis Kuntze Physaria macrantha Blank. Vesicaria didymocarpa Hook. |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta, BRC British Columbia) 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, WAS Washington, WYO Wyoming) |