Ceratanthus Ceratanthus F.v.M. (Fragm. Phyt. Austr. 5 (1865) 52, in obs., nom. prov.) ex G. TAYLOR in J. Bot. 74: 35. 1936≡Plectranthus (Corrigera) in Fragm. Phyt. Austr. 5: 51. 1865≡Hemsleia KUDO in Mem. Fac. Sc. & Agr. Taihoku Un. 2: 142. 1929
