; Sp. Pl. [Linnaeus] 1: 226 (1753)
Distribution: Temp. regions and montane areas of the Northern Hemisphere (esp. China, ca. 80), Africa (38), Madagascar (1). The genus is highly polyphyletic, which can only be resolved by including all surrounding genera including Gentianella (!). This would require massive recombination, which is not available yet.
= Adenopogon Welw.; Syn. Madeir. Drog. Med. 27 (1862)
= Agathotes D.Don ex G.Don; Gen. Hist. 4: 173 (1837)
= Anagallidium Griseb.; Gen. Sp. Gent. 311 (1838)
= Blepharaden Dulac; Fl. Hautes-Pyrénées 449 (1867)
= Henricea Lem.; Bull. Sci. Soc. Philom. Paris 11: 171 (1824)
= Kingdon-wardia C.Marquand; J. Linn. Soc., Bot. 48: 207 (1929)
= Monobothrium Hochst.; Flora 27: 27 (1844)
= Ophelia D.Don ex G.Don; Gen. Hist. 4: 178 (1837)
= Ophelia D.Don ex Griseb.; Observ. Gent. 31 (1836)
= Rellesta Turcz.; Bull. Soc. Imp. Naturalistes Moscou 22(2): 337 (1849)
= Sczukinia Turcz.; Bull. Soc. Imp. Naturalistes Moscou 13: 165 (1840)
= Sinoswertia T.N.Ho, S.W.Liu & J.Q.Liu; Pl. Diversity Resources 35(3): 398 (2013)
= Stellera Turcz.; Bull. Soc. Imp. Naturalistes Moscou 12: 167 (1839)
= Swertopsis Makino; Ill. Fl. Japan, t. 66 (1891)
= Synallodia Raf.; New Fl. [Rafinesque] 4: 93 (1838)
