Erysimum redowskii, synonymErysimum pallasii, known as Pallas' wallflower, is a low shrub or mid shrub species from the Arctic. It has purple flowers that do not reflect UV.[2]
^Kevan, P.G. (1972). "Floral colors in the high arctic with reference to insect-flower relations and pollination". Canadian Journal of Botany. 50: 2289–2316.
^Polatschek, A. (2010). "Revision der Gattung Erysimum (Cruciferae), Teil 1: Russland, die Nachfolgstaaten der USSR (excl. Georgien, Armenien, Azerbaidzan), China, Indien, Pakistan, Japan und Korea". Annalen des Naturhistorischen Museums in Wien, B (in German). 111: 181–275.
^Aiken, S.G.; Dallwitz, M.J.; Consaul, L.L.; McJannet, C.L.; Gillespie, L.J.; Boles, R.L.; Argus, G.W.; Gillett, J.M.; Scott, P.J.; Elven, R.; LeBlanc, M.C.; Brysting, A.K. & Solstad, H. (1999–2003). Flora of the Canadian Arctic Archipelago. Archived from the original on 2012-06-15. Retrieved 2017-08-27.