Erysimum asperum (Western Wallflower) is a species of biennial herb in the family crucifers. They have a self-supporting growth form. They are native to Canada and The Contiguous United States. They have simple, broad leaves. Flowers are visited by Pahaska Skipper, Atrytonopsis hianna hianna, Halictus confusus, and Black Swallowtail. Individuals can grow to 0.2 m.
EOL has data for 15 attributes, including: