“…This separation has since been followed by most authors who have considered both taxa, either as different species of one same genus [Exacum (Willdenow, 1798;Lamarck & Candolle, 1805), Cicendiola (Bubani, 1897), Microcala (Don, 1837(Don, -1838, Cicendia (Grisebach, 1838;Nyman, 1878Nyman, -1882Willkomm, 1870)], or as belonging to different genera [Exacum and Chironia L. (Willdenow, 1798), Microcala and Exacum (Hoffmannsegg & Link, 1813-1820, Microcala and Cicencia (Grisebach, 1845;Bentham & Hooker, 1876;Gilg, 1895), Cicendia andExaculum (Caruel, 1884-1886;Quézel & Santa, 1963;Tutin, 1972;Guinochet & Vilmorin, 1975;Pignatti, 1982;Franco, 1984;Greuter & al., 1986;Gamissans & Jeanmonod, 1993;Thiv & Kadereit, 2002;Ouyahya, 2007;Díaz Lifante, 2012)].…”