Streptanthus is a genus of plants within the family Brassicaceae. There are 58 known species within the genus Streptanthus, distributed through the western and south-central United States and northern Mexico. The common names for this genus are twistflower and jewelflower. Twenty-four of the species and eleven lesser taxa occur in California, thirty-two of which are California endemics; seventeen of these California taxa are classified as rare plants.

Species and subspecies

58 species are accepted. The following are some of the species (or subspecies) of the genus Streptanthus (county locations are not intended to be exhaustive):