Guillenia is a small genus of mustard plants containing three species. These are sometimes treated as members of the jewelflower genus Caulanthus. They are native to western North America.
Species:
Guillenia is a small genus of mustard plants containing three species. These are sometimes treated as members of the jewelflower genus Caulanthus. They are native to western North America.
Species:
Guillenia flavescens - yellow mustard Guillenia lasiophylla - California mustard Guillenia lemmonii - Lemmon's mustard