What is "heliophila"

n. any of various South African herbs and subshrubs cultivated for long showy racemes of bright blue flowers with white eyes

Heliophila is a genus of flowering plants in the Brassicaceae family. Members of this genus are either annuals or perennials and some are popular as ornamental plants. Endemic to southern Africa, the majority of the approximately 80 species grow in South Africa, particularly the Cape Floristic Region, while a few extend into the Namib Desert.