Salvia canescens
Encyclopedia
Salvia canescens is a herbaceous perennial that is endemic to the Caucasus mountains
Caucasus Mountains
The Caucasus Mountains is a mountain system in Eurasia between the Black Sea and the Caspian Sea in the Caucasus region .The Caucasus Mountains includes:* the Greater Caucasus Mountain Range and* the Lesser Caucasus Mountains....

. The specific epithet, canescens, refers to the off-white hairs covering the leaves.

Salvia canescens was first described in 1831 by the Russian botanist Carl Anton von Meyer
Carl Anton von Meyer
Carl Anton Andreevic von Meyer was a Russian botanist and explorer.Meyer took part in expeditions, including one to the Altay Mountains with Karl Friedrich von Ledebour and Alexander G. von Bunge in 1826-27. He was the director of the botanical gardens at Saint Petersburg from 1850 to 1855.-...

. The English botanist George Bentham
George Bentham
George Bentham CMG FRS was an English botanist, characterized by Duane Isely as "the premier systematic botanist of the nineteenth century".- Formative years :...

 applied the same name to a different species, which he corrected in his 1833 volume of Labiatarum Genera et Species by applying S. canescens Benth. as a synonym of Salvia pallida. In 1992, the Russian botanist Y. L. Menitsky reduced the species Salvia daghestanica, originally described in 1951 by Dmitrii Ivanovich Sosnowsky, to a variety of S. canescens, thus also requiring the autonym
Autonym (botany)
In botanical nomenclature, autonyms are automatically created names, as regulated by the International Code of Botanical Nomenclature . Autonyms are cited without an author. Relevant provisions are in articles 6.8, 22.1-3 and 26.1-3....

S. canescens var. canescens.

Salvia canescens var. daghestanica reaches nearly 1 ft (0.3048 m) tall and wide, forming a mound with snow-white 1 to 4 in (2.5 to 10.2 cm) leaves that are covered with white hairs on top and bottom. It has royal purple flowers growing in whorls that bloom in summer and again in autumn, reaching just over 0.5 in (1.3 cm) long with a small calyx. Inflorescences grow to 1 ft (0.3048 m) long, holding the flowers above the foliage.
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