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Salvia officinalis, the common sage or sage, is a perennial, evergreen subshrub, with woody stems, grayish leaves, and blue to purplish flowers. It is a member of the mint family Lamiaceae and native to the Mediterranean region , though it has been naturalized in many places throughout the world.
Salvia yangii, previously known as Perovskia atriplicifolia (/ p ə ˈ r ɒ v s k i ə æ t r ɪ p l ɪ s ɪ ˈ f oʊ l i ə /), and commonly called Russian sage, [2] is a flowering herbaceous perennial plant and subshrub. Although not previously a member of Salvia, the genus widely known as sage, since 2017 it has been included within them.
Salvia apiana is a shrub that reaches 1.3 to 1.5 metres (4.3 to 4.9 ft) tall and 1.3 metres (4.3 ft) wide. The whitish evergreen leaves are 3 to 9 cm (1.2 to 3.5 in) and persist throughout the year; they are opposite with crenulate margins.
Salvia (/ ˈ s æ l v i ə /) [3] is the largest genus of plants in the sage family Lamiaceae, with nearly 1,000 species of shrubs, herbaceous perennials, and annuals. [4] [5] [6] Within the Lamiaceae, Salvia is part of the tribe Mentheae within the subfamily Nepetoideae. [4]
The essential oil of S. officinalis subsp. lavandulifolia has been found to have a selective acetylcholinesterase-inhibiting effect, (in as far as the regions of the brain in which acetylcholinesterase activity has been demonstrated, such areas are striatum and hippocampus) with an IC 50 value of 0.03 μg/ml.
The process of freezing tolerance through cold acclimation is a two-stage mechanism: [4] The first stage occurs at relatively high subzero temperatures as the water present in plant tissues freezes outside the cell. The second stage occurs at lower temperatures as intercellular ice continues to form.
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Also, the average minimum temperature in the UK is much warmer than the average minimums in much of the northern US, while the average maximums in the northern US are often much warmer in summer than the UK. [7] In addition to cold tolerance, plant hardiness has been observed to be linked to how much stress specific plants are undergoing into ...