Salvia subgenus Perovskia is a group of species within the flowering plant genus Salvia, which prior 2017 were treated as the separate genus Perovskia. Members of the group are native to southwestern and central Asia. It includes the garden plant Russian sage (Salvia × floriferior).
The subgenus and former genus are named after the Russian general V. A. Perovski (1794-1857).
Species
Salvia abrotanoides (Kar.) Systma – Tibet, Kyrgyzstan, Turkmenistan, Afghanistan, Iran, Pakistan, western Himalayas of northern India
Salvia yangii B.T.Drew – Afghanistan, Pakistan, western Himalayas, Tibet, Xinjiang
Hybrids
Salvia × floriferior Dolat. & Ziel. – so-called "Russian sage", also referred to as Perovskia × hybrida (unplacedtaxon) and its synonym Perovskia × superba in Europe and Russia: (S. abrotanoides × S. yangii)
Plants in cultivation are almost all hybrids, including Salvia 'Blue Spire', which is very likely Salvia × floriferior, a naturally occurring hybrid between the entire-leaved Salvia yangii and Salvia abrotanoides. The leaves of this breed have long narrow teeth (i.e. are laciniate), unlike S.yangii which has entire leaves with shallow teeth.
Pollen. Zoom 60x
References
↑"Genus: Perovskia Kar". Germplasm Resources Information Network. United States Department of Agriculture. 2004-09-10. Retrieved 2010-11-15.
↑Drew, B.T., González-Gallegos, J.G., Xiang, C.L., Kriebel, R., Drummond, C.P., Walked, J.B. and Sytsma, K.J., 2017. Salvia united: The greatest good for the greatest number. Taxon, 66(1), pp.133-145.