noun
1. : a prairie rocket ( Erysimum asperum ) chiefly of the western United States having orange-yellow flowers
2. : spreading dogbane
noun
1. : a prairie rocket ( Erysimum asperum ) chiefly of the western United States having orange-yellow flowers
2. : spreading dogbane
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012