Osteospermum is a genus of flowering plants belonging to the Calenduleae, one of the smaller tribes of the sunflower/daisy family Asteraceae. They are known as the daisybushes or African daisies. Osteospermum used to belong to the genus Dimorphotheca, but only the annual species remain in that genus; the perennials belong to Osteospermum. The genus Osteospermum is also closely related to the small genus Chrysanthemoides, such as C. incana and C. monilifera.

Osteospermum polygaloides is a South African endemic species from the Eastern Cape and Western Cape Provinces. It is synonymously known as Calendula rosmarinifolia, Osteospermum foveolatum and Osteospermum imbricatum. It grows into a leafy shrub of up to 2 meters tall. It has leathery leaves and from spring to summer it bears many yellow daisy flowers.