Osteospermum calendulaceum is a plant in the family Asteraceae.

[1] It was first described in 1782 by Carl Linnaeus the Younger.

[1][4] In 1832, Christian Friedrich Lessing assigned it to the genus Oligocarpus in his Synopsis Generum Compositarum.

[1][2] In South Africa, it is native to the Cape Provinces, Free State, KwaZulu-Natal, Lesotho, Northern Provinces and Eswatini.

[3][5] In Australia, it is an agricultural weed found mainly on arid lagoon shores and plains.