![Siberian wallflower Siberian wallflower](https://www.tekportal.net/wp-content/uploads/2018/12/siberian-wallflower.jpg)
Siberian wallflower Word Origin noun
- a North American plant, Erysimum asperum, of the mustard family, having orange-yellow flowers.
Origin of Siberian wallflower First recorded in 1920–25
Siberian wallflower Word Origin noun
Origin of Siberian wallflower First recorded in 1920–25