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 group of around 90 species of succulent or semi-succulent perennial plants primarily situated in the Greater Cape Floristic Region (GCFR) of South Africa. Some species' ranges extend beyond this area to southern Namibia, Angola, and Zimbabwe. The genus was initially established by Linnaeus in 1753 with 14 species, but only four remain within Othonna, while others have been reclassified into different genera.