| Family | BRASSICACEAE |
| Genus species | Erysimum insulare (Greene) Greene |
| Bibliography | Bull. Torrey Bot. Club 13: 218 (1886) |
| Native Range | sw. California, Guadelupe Isl. |
| Primary Biome | Subtropical |
| Habitat | sands and rocks |
| Altitude | 0-300m |
| Description | basal leaves linear to linear-oblanceolate, 4-9cm, entire, acute, stem leaves sessile, similar, flowers in raceme, sepals oblong, petals suborbiculate, 14-20mm long |
| Size | 5-30cm |
| Color | yellow |
| Bloom | spring |
| Ca | |
| Type | subshrub |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in spring, barely covered, germ. 1 month, 10-16°C cuttings in late summer |
| Synonyms | Cheiranthus insularis Greene Erysimum insulare ssp. grandiflorum Rossbach Erysimum moranii Rollins |
| Territory | 7 Northern America 76 Southwestern U.S.A. (CAL California) 79 Mexico (MXI Mexican Pacific Is.) |