[The Mustard Family in the Mountains and Deserts of the American Southwest]

Wallflowers of the Mountains and Deserts of the American Southwest

The Genus Erysimum

Spreading Wallflower: Erysimum repandum

Spreading Wallflower: Erysimum repandum

Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum capitatum var. angustatum; Erysimum capitatum var. lompocense; Erysimum capitatum ssp. angustatum; Erysimum capitatum ssp. capitatum; Erysimum capitatum ssp. lompocense; Erysimum asperum var. bealianum; Erysimum asperum var. stellatum; Erysimum capitatum var. bealianum; Erysimum insulare var. angustatum; Erysimum moniliforme; Erysimum suffrutescens var. lompocense) - Flowers generally orange, occasionally orange-yellow to yellow.

Pursh's Wallflower: Erysimum capitatum var. purshii (Synonyms: Erysimum asperum var. purshii; Erysimum amoenum; Erysimum argillosum) - Flowers generally yellow, occasionally lavendar to purplish.


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