Othonna is a genus of approximately 90 species of succulent or subsucculent perennial herbs or shrubs, with its center of diversity in the Greater Cape Floristic Region (GCFR) of South Africa but some species' ranges include southern Namibia, Angola, and Zimbabwe. The genus was established by Linnaeus in 1753 containing 14 species, however, of those original species, only four are still retained in Othonna, while the others have been transferred to different genera including Cineraria, Euryops, Hertia, Ligularia, Senecio, and Tephroseris. The genus Othonnna is known to be monophyletic.
Othonna is a genus of succulent or semi-succulent perennial plants predominantly found in the Greater Cape Floristic Region (GCFR) of South Africa. However, some species' ranges extend beyond this area to southern Namibia, Angola, and Zimbabwe. The genus was first described by Linnaeus in 1753 with an initial group of 14 species, but only four remain within Othonna, while others have been reclassified into different genera.