; Gen. Sp. Orchid. Pl. 296 (1835)
Distribution: E-Europe (1) through temperate Asia, few S-Himalaya.
= Amitostigma Schltr.; Repert. Spec. Nov. Regni Veg., Beih. 4: 91 (1919)
= Apetalanthe Aver. & Vuong; Taiwania 65(4): 479 (2020)
= Chusua Nevski; Fl. URSS [Komarov et al., eds.] 4: 670, 753 (1935) (fide Fl. of China)
= Hemipilia sect.Neottianthe (Schltr.) Y.Tang & H.Peng; BioMed Centr. Evol. Biol. 15(96): 27 (2015)
= Hemipilia sect.Ponerorchis (Rchb.f.) Y.Tang & H.Peng; BioMed Centr. Evol. Biol. 15(96): 25 (2015)
= Hemipilia sect.Tsaiorchis (Tang & F.T.Wang) Y.Tang & H.Peng; BioMed Centr. Evol. Biol. 15(96): 25 (2015)
= Hemipiliopsis Y.B.Luo & S.C.Chen; Novon 13(4): 450 (5 Dec. 2003)
= Mitostigma Blume; Ann. Mus. Bot. Lugduno-Batavi 2: 189 (1856)
= Neottianthe (Rchb.) Schltr.; Repert. Spec. Nov. Regni Veg. 16: 290 (1919)
= Phaniasia Blume ex Miq.; Ann. Mus. Bot. Lugduno-Batavi 2: 206 (1866)
= Ponerorchis Rchb.f.; Linnaea 25: 227 (1852)
= Shizhenia X.H.Jin, Lu Q.Huang, W.T.Jin & X.G.Xiang; Biodivers. Sci. 23(2): 240 (2015)
= Symphyosepalum Hand.-Mazz.; Symb. Sin. 7: 1327 (1936)
= Tsaiorchis Tang & F.T.Wang; Bull. Fan Mem. Inst. Biol. Bot. 7: 131 (1936)