; Gen. Sp. Orchid. Pl. 152 (1833)
Distribution: Tropical South America, mostly Brazil. Treatment of the genus (s. l.) fide Genera Orchidacearum. Revised circumscription through inclusion of several small genera fide Meneguzzo & Chase (2024)
= Adipe Raf.; Fl. Tellur. 2: 101 (1837)
= Colax Lindl. ex Spreng.; Syst. Veg., ed. 16 [Sprengel] 3: 727 (1826)
= Cydoniorchis Senghas; J. Orchideenfr. 1: 11 (1994)
= Guanchezia G.A.Romero & Carnevali; Orchids Venezuela, ed. 2: 1135 (2000)
= Horvatia Garay; Studia Phytologica Honorem Jubilantis A. O. Horvát 40 (1977)
= Lindleyella Schltr.; Orchideen [Schlechter] 414 (1914) [non Lindleyella Rydb. 1908 (Rosaceae)]
= Rudolfiella Hoehne; Arq. Bot. Estado São Paulo, n. s. 2: 14 (1944)
= Schlechterella Hoehne; Arq. Bot. Estado São Paulo, n. s. 2: 12. in obs., 13, in clavi (1944) [non Schlechterella K. Schum. 1899 (Periplocaceae)]
= Scuticaria Lindl.; Edwards´s Bot. Reg. 29(Misc.): 14 (1843)
= Stenocoryne Lindl.; Edwards´s Bot. Reg. 29(Misc.): 53 (1843)
= Teuscheria Garay; Amer. Orchid Soc. Bull. 27: 820 (1958)