| Family | BRASSICACEAE |
| Genus species | Physaria occidentalis (S.Watson) O´Kane & Al-Shehbaz |
| Synonyms | Vesicaria occidentalis S.Watson |
| Lesquerella occidentalis (S.Watson) S.Watson | |
| Lesquerella cusickii M.E.Jones | |
| Habitat | rocky slopes |
| Altitude | 600-3700m |
| Description | basal leaves numerous, ovate to oblanceolate, thinly petiolate, raceme elongate, petals 7-10mm long, silicles ovoid-oblong, 4-6mm long, subventricose |
| Size | 5-15cm |
| Color | yellow |
| Bloom | summer |
| Ca | + |
| Type | rosette, tuft |
| Cultivation | sunny, dry, 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 |
| Territory |
Northern America
Northwestern U.S.A. (Idaho , Oregon , Washington ) Southwestern U.S.A. (California , Nevada) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | BRASSICACEAE
occidentalis cinerascens (Maguire & A.H.Holmgren) O‘Kane & Al-Shehbaz, ibid.
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