; Sp. Pl. [Linnaeus] 2: 580 (1753)
Distribution: temp., subtropical and trop. regions, few in trop. Africa (22), except Malesia, Australia, and New Zealand. The genus is hopelessly polyphyletic and needs splitting in 9 genera (Salmaki et al. 2019); alternatively Sideritis and Prasium would have to be included.
= Aspasia E.Mey. ex Pfeiff.; Nomencl. Bot. [Pfeiffer] 1: 295 (1873)
= Bonamya Neck.; Elem. Bot. [Necker] 1: 316 (1790), opus utique oppr.
= Chamaesphacos Schrenk ex Fisch. & C.A.Mey.; Enum. Pl. Nov. [Fischer & Meyer] 1: 27 (1841)
= Eriostemum Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 588 (1840)
= Eriostomum Hoffmanns. & Link; Fl. Portug. [Hoffmannsegg] 1: 105 (1809)
= Galeopsis Hill; Brit. Herb. [Hill] 359 (1756), nom. illeg.
= Galeopsis Moench; Methodus [Moench] 397 (1794), nom. illeg.
= Koevia Krestovsk.; Novosti Sist. Vyssh. Rast. 45: 94 (2014)
= Lamiostachys Krestovsk.; Bot. Zhurn. (Moscow & Leningrad) 91: 1258 (2006)
= Olisia Spach; Hist. Nat. Vég. [Spach] 9: 166 (1840)
= Ortostachys Fourr.; Ann. Soc. Linn. Lyon, n. s. 17: 136 (1869)
= Phlomidoschema (Benth.) Vved.; Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 9: 54 (1941)
= Stachyus St.-Lag.; Ann. Soc. Bot. Lyon 7: 109 (1880)
= Suzukia Kudô; J. Soc. Trop. Agric. 2: 145 (1930)
= Tapeinanthus Boiss.; Pl. Pers. Bor. [Kotschy] 18 (1846), nom. illeg.
= Tapeinanthus Boiss. ex Benth.; Prodr. [A.P. de Candolle] 12: 436 (1848)
= Tetrahitum Hoffmanns. & Link; Fl. Portug. [Hoffmannsegg] 1: 103 (1809)
= Thuspeinanta T.Durand; Ind. Gen. Phan. 78 (1888)
= Trixago Haller; Hist. Stirp. Helv. 1: 101 (1768)
= Trixella Fourr.; Ann. Soc. Linn. Lyon, n. s. 17: 135 (1869)
= Zietenia Gled.; Syst. Pl. Stamin. Situ 185 (1764)