Erysimum asperum, the western wallflower (a name it shares with Erysimum capitatum), is a species of flowering plant in the family Brassicaceae.[2][3][4] It is native to west-central Canada, the west-central United States, and northern Mexico; in grasslands generally east of the Continental Divide and west of the Mississippi.[2][5] It is a member of the Erysimum asperum-E. capitatum species complex.[5]
| Erysimum asperum | |
|---|---|
.jpg) | |
| In bloom | |
 | |
| Watercolor by Margaret Neilson Armstrong | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Erysimum |
| Species: | E. asperum |
| Binomial name | |
| Erysimum asperum | |
| Synonyms[2] | |
List
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