; Descr. Pl. Cap. 348 (1767)
Distribution: mostly South Africa, tropical Africa, few in Madagascar, La Réunion, Arabian Peninsula. Inclusion of Herschelianthe and Monadenia following LINDER & KURZWEIL 1999.
= Amphigena Rolfe; Fl. Cap. [Harvey & auct. succ.] 5(2): 197 (1913)
= Forficaria Lindl.; Gen. Sp. Orchid. Pl. 362 (1838)
= Gamaria Raf.; Fl. Tellur. 4: 49 (1836)
= Herschelia Lindl.; Gen. Sp. Orchid. Pl. 362 (1838), nom. illeg.
= Herschelianthe Rauschert; Feddes Repert. 94(78): 434 (1983), nom. nov.
= Monadenia Lindl.; Gen. Sp. Orchid. Pl. 356 (1838)
= Orthopenthea Rolfe; Fl. Cap. [Harvey & auct. succ.] 5(3): 179 (1912)
= Penthea Lindl.; Intr. Nat. Syst. Bot., ed. 2: 446 (1836)
= Repandra Lindl.; Orchid. Scelet. 12 (1826)
= Schizodium Lindl.; Gen. Sp. Orchid. Pl. 358 (1838)
= xHerscheliodisa H.P.Linder; S. African Orchid J. 16: 102 (1985)