___*TYPES*___
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*’salvia’ is the largest genus of plants in the mint family ‘lamiaceae’ with nearly 1000 species of [‘shrubs’ / ‘herbaceous perennials’ / ‘annuals’]*
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Within the Lamiaceae, Salvia is part of the tribe Mentheae within the subfamily Nepetoideae.
One of several genera commonly referred to as sage, it includes two widely used herbs,
Salvia officinalis (common sage, or just “sage”)
and Salvia rosmarinus (rosemary).
The genus is distributed throughout the Old World and the Americas (over 900 total species),
with three distinct regions of diversity:
Central and South America (approx. 600 species);
Central Asia and Mediterranean (250 species);
Eastern Asia
(90 species)
.
Etymology
The name Salvia (“salviya”) derives from the Latin salvere (“to feel well and healthy, health, heal”), the verb related to salus (health, well-being, prosperity or salvation), referring to the herb’s healing properties.
Pliny the Elder was the first author known to describe a plant called “Salvia” by the Romans, likely describing the type species for the genus Salvia, Salvia officinalis.
The common modern English name sage derives from Middle English sawge, which was borrowed from Old French sauge, and like the botanical name, stems from Latin salvere.[6][7] When used without modifiers, the name ‘sage’ generally refers to Salvia officinalis (“common sage” or “culinary sage”); however, it is used with modifiers to refer to any member of the genus. The ornamental species are commonly referred to by their genus name Salvia.
Description[edit]
Salvia species include annual, biennial, or perennial herbs, along with woody subshrubs. The stems are typically angled like other members in Lamiaceae. The leaves are typically entire, but sometimes toothed or pinnately divided. The flowering stems bear small bracts, dissimilar to the basal leaves—in some species the bracts are ornamental and showy.
The flowers are produced in racemes, or panicles, and generally produce a showy display with flower colors ranging from blue to red, with white and yellow less common. The calyx is normally tubular or bell shaped, without bearded throats, and divided into two parts or lips, the upper lip entire or three-toothed, the lower two-cleft. The corollas are often claw shaped and are two-lipped. The upper lip is usually entire or three-toothed. The lower lip typically has two lobes. The stamens are reduced to two short structures with anthers two-celled, the upper cell fertile, and the lower imperfect. The flower styles are two-cleft. The fruits are smooth ovoid or oblong nutlets and in many species they have a mucilaginous coating.[8]
Many members of Salvia have trichomes (hairs) growing on the leaves, stems, and flowers, which help to reduce water loss in some species. Sometimes the hairs are glandular and secrete volatile oils that typically give a distinct aroma to the plant. When the hairs are rubbed or brushed, some of the oil-bearing cells are ruptured, releasing the oil. This often results in the plant being unattractive to grazing animals and some insects.[4]
Staminal lever mechanism[edit]
The defining characteristic of the genus Salvia is the unusual pollination mechanism. It is central to any investigation into the systematics, species distribution, or pollination biology of Salvia. It consists of two stamens (instead of the typical four found in other members of the tribe Mentheae) and the two thecae on each stamen are separated by an elongate connective which enables the formation of the lever mechanism.[9] Sprengel (1732) was the first to illustrate and describe the nototribic (dorsal) pollination mechanism in Salvia.[10] When a pollinator probes a male stage flower for nectar, (pushing the posterior anther theca) the lever causes the stamens to move and the pollen to be deposited on the pollinator. When the pollinator withdraws from the flower, the lever returns the stamens to their original position. In older, female stage flowers, the stigma is bent down in a general location that corresponds to where the pollen was deposited on the pollinator’s body. The lever of most Salvia species is not specialized for a single pollinator, but is generic and selected to be easily released by many bird and bee pollinators of varying shapes and sizes.[11] The lever arm can be specialized to be different lengths so that the pollen is deposited on different parts of the pollinator’s body.[9][12] For example, if a bee went to one flower and pollen was deposited on the far back of her body, but then it flew to another flower where the stigma was more forward (anterior), pollination could not take place. This can result in reproductive isolation from the parental population and new speciation can occur.[9] It is believed that the lever mechanism is a key factor in the speciation, adaptive radiation, and diversity of this large genus.[9]
Taxonomy[edit]
History[edit]
George Bentham was first to give a full monographic account of the genus in 1832–1836, and based his classifications on staminal morphology.[13] Bentham’s work on classifying the family Labiatae (Labiatarum Genera et Species (1836)) is still the only comprehensive and global organization of the family. While he was clear about the integrity of the overall family, he was less confident about his organization of Salvia, the largest genus in Labiatae (also called Lamiaceae). Based on his own philosophy of classification, he wrote that he “ought to have formed five or six genera” out of Salvia. In the end, he felt that the advantage in placing a relatively uniform grouping in one genus was “more than counterbalanced by the necessity of changing more than two hundred names.” At that time there were only 291 known Salvia species.[4]
Subdivision[edit]
Bentham eventually organized Salvia into twelve sections (originally fourteen), based on differences in corolla, calyx, and stamens. These were placed into four subgenera that were generally divided into Old World and New World species:
Subgenus Salvia: Old World (Sections: Hymenosphace, Eusphace, Drymosphace)
Subgenus Sclarea: Old World (Sections: Horminum, Aethiposis, Plethiosphace)
Subgenus Calosphace: New World (Section: Calosphace)
Subgenus Leonia: Old and New World (Sections: Echinosphace, Pycnosphace, Heterosphace, Notiosphace, Hemisphace)
His system is still the most widely studied classification of Salvia, even though more than 500 new species have been discovered since his work. Other botanists have since offered modified versions of Bentham’s classification system, while botanists in the last hundred years generally do not endorse Bentham’s system.[4]
It was long assumed that Salvia’s unusual pollination and stamen structure had evolved only once, and that therefore Salvia was monophyletic, meaning that all members of the genus evolved from one ancestor. However, the immense diversity in staminal structure, vegetative habit, and floral morphology of the species within Salvia has opened the debate about its infrageneric classifications.
Phylogenetic analyses[edit]
Through DNA sequencing, Salvia was shown to not be monophyletic but to consist of three separate clades (Salvia clades I–III) each with different sister groups.[3] They also found that the staminal lever mechanism evolved at least two separate times, through convergent evolution.[3] Walker and Sytsma (2007)[14] clarified this parallel evolution in a later paper combining molecular and morphological data to prove three independent lineages of the Salvia lever mechanism, each corresponding to a clade within the genus. It is surprising to see how similar the staminal lever mechanism structures are between the three lineages, so Salvia proves to be an interesting but excellent example of convergent evolution.
Walker and Sytsma (2007) also addressed the question of whether Salvia is truly polyphyletic or just paraphyletic within the tribe Mentheae.[14] To make Salvia monophyletic would require the inclusion of 15 species from Rosmarinus, Perovskia, Dorystaechas, Meriandra, and Zhumeria genera. The information attained by Walker and Sytsma (2007) supporting the three independent origins of the staminal lever indicate that Salvia is not the case where 15 species (currently not members of the genus) are actually members of Salvia but underwent character reversals—in other words, Salvia is paraphyletic as previously circumscribed. In 2017 Drew et al.[15] recircumscribed Salvia, proposing that the five small embedded genera (Dorystaechas, Meriandra, Perovskia, Rosmarinus, and Zhumeria) be subsumed into a broadly defined Salvia. This approach would require only 15 name changes whereas maintaining the five small genera and renaming various Salvia taxa would require over 700 name changes.
The circumscription of individual species within Salvia has undergone constant revision. Many species are similar to each other, and many species have varieties that have been given different specific names. There have been as many as 2,000 named species and subspecies. Over time, the number has been reduced to less than a thousand. A modern and comprehensive study of Salvia species was done by Gabriel Alziar, in his Catalogue Synonymique des Salvia du Monde (1989) (World Catalog of Salvia Synonyms). He found that the number of distinct species and subspecies could be reduced to less than 700.[4][16]
Selected species and their uses[edit]
Salvia farinacea × Salvia longispicata ‘Mystic Spires Blue’
Many species are used as herbs, as ornamental plants (usually for flower interest), and sometimes for their ornamental and aromatic foliage. The Plant List has 986 accepted species names.[17] A selection of some well-known species is below.
Salvia apiana: white sage; sacred to a number of Native American peoples, and used by some tribes in their ceremonies
Salvia azurea: blue sage
Salvia buchananii: Buchanan sage; woody-based stoloniferous perennial, deep pink flowers
Salvia cacaliifolia: blue wine sage or Guatemalan sage; pure gentian-blue flowers
Salvia candelabrum: candelabrum sage; woody-based perennial, violet flowers
Salvia divinorum: diviner’s sage; sometimes cultivated for psychedelic drug effects; the legality of its use is under review in some US states[18]
Salvia elegans: pineapple sage; widely grown as an ornamental shrub or sub-shrub, with pineapple scented leaves
Salvia fruticosa: Greek sage; commonly grown and harvested as an alternative to common sage
Salvia fulgens: Cardinal sage, Mexican scarlet sage; small evergreen sub-shrub, red flowers
Salvia guaranitica: hummingbird sage, anise-scented sage; tall perennial, deep blue flowers
Salvia hispanica: chia; produces edible seeds high in protein and in the omega-3 fatty acid, α-linolenic acid (ALA).
Salvia involucrata: roseleaf sage; woody-based perennial
Salvia jurisicii: Ovche Pole sage; a rare, compact “feathery” perennial endemic to North Macedonia, violet flowers
Salvia leucantha: Mexican bush sage, woolly sage; ornamental evergreen subshrub, white/pink flowers
Salvia microphylla: baby sage: small ornamental shrub from Mexico, widely cultivated with many cultivars
Salvia miltiorrhiza: red sage, Danshen; Chinese medicinal herb
Salvia nemorosa: woodland sage, Balkan clary; perennial with many ornamental varieties and cultivars
Salvia officinalis: sage, common sage; used widely in cooking, as an ornamental, and in herbal medicine
Salvia patens: gentian sage; herbaceous perennial, blue flowers
Salvia pratensis: clary: herbaceous perennial, violet flowers
Salvia rosmarinus: rosemary; herbaceous perennial, blue flowers
Salvia sclarea: clary; grown as an ornamental and to some extent for perfume oils
Salvia spathacea: California hummingbird sage, pitcher sage; ornamental, fruit-scented with rose pink flowers
Salvia splendens: scarlet sage; popular tender ornamental bedding or pot plant.[19]
Salvia uliginosa: bog sage; herbaceous perennial, blue flowers
Salvia species are used as food plants by the larvae of some Lepidoptera (butterfly and moth) species including the bucculatricid leaf-miner Bucculatrix taeniola which feeds exclusively on the genus and the Coleophora case-bearers C. aegyptiacae, C. salviella (both feed exclusively on Salvia. aegyptiaca), C. ornatipennella and C. virgatella (both recorded on Salvia. pratensis).
Hybrids[edit]
Salvia. × sylvestris ‘Mainacht’
Many interspecific hybrids occur naturally, with a relatively high degree of crossability, but some such as Salvia. officinalis × Salvia. lavandulifolia and Salvia. fruticosa × Salvia. tomentosa have been intentional. A natural hybrid, Salvia. longispicata × Salvia. farinacea has given rise to a series of popular ornamentals such as Salvia. ‘Indigo Spires’ and Salvia. ‘Mystic Spires Blue’.[20][21]
Numerous garden-worthy cultivars and varieties have been produced, often with mixed or unknown parentage. The following have gained the Royal Horticultural Society’s Award of Garden Merit:-
Salvia. ‘Amistad’: bushy upright perennial, deep blue/purple flowers[22]
Salvia. ‘Dyson’s Joy’: small, bushy perennial, bicolor red/pink flowers[23]
Salvia. ‘Hot Lips’: bushy evergreen, red/white flowers[24]
Salvia. ‘Jezebel’: bushy evergreen perennial, red flowers[25]
Salvia. ‘Nachtvlinder’: bushy evergreen perennial, purple flowers[26]
Salvia. ‘Ribambelle’: bushy perennial, salmon-pink flowers[27]
Salvia. ‘Royal Bumble’: evergreen shrub, red flowers[28]
Salvia. × jamensis ‘Javier’: bushy perennial, purple flowers[29]
Salvia. × jamensis ‘Los Lirios’: bushy shrub, pink flowers[30]
Salvia. × jamensis ‘Peter Vidgeon’: bushy perennial, pale pink flowers[31]
Salvia. × jamensis ‘Raspberry Royale’: evergreen subshrub, raspberry pink flowers[32]
Salvia. × superba ‘Rubin’: clump-forming perennial, pale pink flowers[33]
Salvia. × sylvestris ‘Blauhügel’: herbaceous perennial, violet-blue flowers[34]
Salvia. × sylvestris ‘Mainacht’: compact perennial, deep violet flowers[35]
Salvia. × sylvestris ‘Tänzerin’: perennial, purple flowers[36]
References[edit]
^ “Salvia L.” Germplasm Resources Information Network. United States Department of Agriculture. 2004-09-10. Retrieved 2009-12-15.
^ Kew World Checklist of Selected Plant Families
^ Jump up to: a b c d e Walker, J. B.; Sytsma, K. J.; Treutlein, J.; Wink, M. (2004). “Salvia (Lamiaceae) is not monophyletic: implications for the systematics, radiation, and ecological specializations of Salvia and tribe Mentheae”. American Journal of Botany. 91 (7): 1115–25. doi:10.3732/ajb.91.7.1115. PMID 21653467.
^ Jump up to: a b c d e Sutton, John (2004). The Gardener’s Guide to Growing Salvias. Workman Publishing Company. pp. 15–17. ISBN 978-0-88192-671-2.
^ Clebsch & Barner 2003, p. 18.
^ Kintzios, pp. 15–16.
^ Clebsch, p. 17.
^ L. H. Bailey. “Manual of Cultivated Plants”.
^ Jump up to: a b c d Clasenbockhoff, R (2004). “The staminal lever mechanism in Salvia L. (Lamiaceae): a key innovation for adaptive radiation?”. Organisms Diversity & Evolution. 4 (3): 189–205. doi:10.1016/j.ode.2004.01.004.
^ Sprengel, C. K. 1793. Das entdeckte Geheimnis der Natur im Bau und in der Befruchtung der Pflanzen. Friedrich Vieweg dem aeltern, Berlin, Germany.
^ Classen-Bockhoff R; Crone M; Baikova E (2004). “Stamen development in Salvia L.: Homology reinvestigated”. International Journal of Plant Sciences. 165 (4): 475–498. doi:10.1086/386565. S2CID 83554246.
^ Classen-Bockhoff R, Tweraser E, Wester P. 2003. The staminal lever mechanism in Salvia L. (Lamiaceae) – a review. Plant Biology 5: 33–41.
^ El-Gazzar, A.; Watson, L.; Williams, W. T.; Lance, G. N. (1968). “The taxonomy of Salvia: a test of two radically different numerical methods”. Botanical Journal of the Linnean Society. 60 (383): 237–50. doi:10.1111/j.1095-8339.1968.tb00087.x.
^ Jump up to: a b Walker, J. B.; Sytsma, K. J. (2007). “Staminal Evolution in the Genus Salvia (Lamiaceae): Molecular Phylogenetic Evidence for Multiple Origins of the Staminal Lever”. Annals of Botany. 100 (2): 375–91. doi:10.1093/aob/mcl176. PMC 2735309. PMID 16926227.
^ Drew, B. T., González-Gallegos, J. G., Xiang, C. L., Kriebel, R., Drummond, C. P., Walker, J. B. and Sytsma, K. J., 2017. “Salvia united: The greatest good for the greatest number”. Taxon, 66(1), pp. 133–145. doi:10.12705/661.7
^ Clebsch, p. 18.
^ The Plant List
^ Sack, Kevin; McDonald, Brent (2008-09-08). “Popularity of a Hallucinogen May Thwart Its Medical Uses”. New York Times. Retrieved 2009-01-19.
^ [1] Archived February 22, 2005, at the Wayback Machine
^ Clebsch & Barner 2003.
^ Tychonievich & Warner 2011.
^ “Salvia ‘Amistad'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia ‘Dyson’s Joy'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia ‘Hot Lips'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia ‘Jezebel'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia ‘Nachtvlinder'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia ‘Ribambelle'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia ‘Royal Bumble'”. Royal Horticultural Society. Retrieved 17 July 2017.
^ “Salvia × jamensis ‘Javier'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia × jamensis ‘Los Lirios'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia × jamensis ‘Peter Vidgeon'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia × jamensis ‘Raspberry Royale'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia × superba ‘Rubin'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia × sylvestris ‘Blauhügel'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia × sylvestris ‘Mainacht'”. Royal Horticultural Society. 2017. Retrieved 2017-07-17.
^ “Salvia × sylvestris ‘Tänzerin'”. Royal Horticultural Society. Retrieved 17 July 2017.
Bibliography[edit]
Sage: The Genus Salvia by Spiridon E. Kintzios, CRC Press, 2000. ISBN 978-90-5823-005-8.
The Gardener’s Guide to Growing Salvias by John Sutton, Timber Press, 1999. ISBN 978-0-88192-474-9.
Clebsch, Betsy; Barner, Carol D. (2003). The New Book of Salvias. Timber Press. ISBN 978-0-88192-560-9.
Tychonievich, Joseph; Warner, Ryan M. (January 2011). “Interspecific Crossability of Selected Salvia Species and Potential Use for Crop Improvement”. JASHS. 136 (1): 4147. doi:10.21273/JASHS.136.1.41. Retrieved 9 July 2015.
External links[edit]
Wikimedia Commons has media related to Salvia.
en.wikipedia.org /wiki/Salvia
Salvia
Contributors to Wikimedia projects
18-23 minutes
For the species of salvia known for its psychoactive properties, see Salvia divinorum.
Not to be confused with Saliva.
Salvia
Salvia officinalis0.jpg
Common sage (Salvia officinalis)
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Subfamily: Nepetoideae
Tribe: Mentheae
Genus: Salvia
L.[1]
Type species
Salvia officinalis
L.
Species
see List of Salvia species
Synonyms[2]
Synonyms[show]
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