Biology:Spearmint

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Short description: Species of mint
For other uses, see Spearmint (disambiguation).

Spearmint
Minze.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Mentha
Species:
M. spicata
Binomial name
Mentha spicata
Synonyms

(of M. spicata subsp. condensata)[4]

  • Mentha tomentosa Mentha subsessilis
  • Mentha sofiana Mentha chalepensis
  • Mill. K.Koch
  • Trautm. d'Urv.
  • Mentha spicata subsp. tomentosa Mentha sieberi
  • Harley Borbás
  • Mentha microphylla K.Koch
  • (Boiss.) Nevski Mentha stenostachya

(of M. spicata subsp. spicata)[5]

  • Mentha michelii (L.) Benth.
  • Rchb. Ten. ex Rchb.
  • Mentha ocymiodora Opiz
  • Mentha pectinata Mentha brevispicata
  • Raf. Mentha piperella
  • (Lej.) Opiz ex Lej. & Courtois Mentha × piperita var. crispa
  • Lehm. (L.) W.D.J.Koch
  • Mentha pudina Buch.-Ham. ex Benth.
  • Mentha romana Mentha crispa
  • Bubani Mentha romana
  • Garsault Mentha aquatica subsp. crispa
  • L. Ten.
  • Mentha rubicunda var. langiana Topitz
  • Mentha sepincola Mentha crispata
  • Holuby Mentha spicata var. cordato-ovata
  • Schinz & Thell. Mentha spicata var. crispa
  • Schrad. ex Willd. Ridd.
  • Mentha spicata var. crispata (Schrad. ex Willd.) Schinz & Thell.
  • Mentha spicata subsp. glabrata Mentha glabra
  • (Lej. & Courtois) Lebeau Mentha spicata var. oblongifolia
  • (Wimm. & Grab.) Lebeau Mentha aquatica var. crispa
  • (L.) G.Mey. Mill.
  • (Lej. & Courtois) Schinz & Thell. Mentha spicata var. undulata
  • (Willd.) Lebeau Mentha hortensis
  • L. Mentha sylvestris var. crispata
  • W.D.J.Koch Opiz ex Fresen.
  • W.D.J.Koch Mentha sylvestris var. undulata
  • (Willd.) W.D.J.Koch Mentha inarimensis
  • Heinr.Braun Mentha tenuiflora
  • Mentha atrata Guss.
  • Michx. Mentha undulata
  • Willd. Mentha integerrima
  • Pérard Mentha viridis
  • (L.) L. Mattei & Lojac.
  • Lej. ex Rchb. Mentha viridis var. crispa
  • Benth. Mentha laciniosa
  • (Schrad. ex Willd.) Becker Mentha walteriana
  • Schur Schur
  • Mentha laevigata Willd.
  • Opiz Mentha lejeuneana
  • Mentha viridis var. crispata Mentha viridis var. angustifolia
  • Mentha balsamea Opiz
  • Mentha viridifolia Mentha tenuis
  • Opiz Mentha lejeunei
  • Mentha tauschii Mentha sylvestris var. glabra
  • Mentha spicata var. viridis Opiz ex Rchb.
  • Mentha spicata var. piperella Mentha rosanii

Spearmint, a species of mint (mentha) scientifically classified as Mentha spicata (/ˈmɛnθə spaɪˈkeɪtə/,[6][7]) also known as garden mint, common mint, lamb mint and mackerel mint,[8][9] is native to Europe and southern temperate Asia, extending from Ireland in the west to southern China in the east.[10] It is naturalized in many other temperate parts of the world, including northern and southern Africa, North America, and South America.[11][12] It is used as a flavouring in food and herbal teas. The aromatic oil, called oil of spearmint, is also used as a flavoring and sometimes as a scent.

The species and its subspecies have many synonyms, including Mentha crispa, Mentha crispata, and Mentha viridis.

Description

Spearmint in Bangladesh

Spearmint is a perennial herbaceous plant. It is 30–100 cm (12–39 in) tall, with variably hairless to hairy stems and foliage, and a wide-spreading fleshy underground rhizome from which it grows. The leaves are 5–9 cm (2–3 1⁄2 in) long and 1.5–3 cm (1⁄2–1 1⁄4 in) broad, with a serrated margin. The stem is square-shaped, a defining characteristic of the mint family of herbs. Spearmint produces flowers in slender spikes, each flower pink or white in colour, 2.5–3 mm (0.098–0.118 in) long and broad.[12][13] Spearmint flowers in the summer (from July to September in the northern hemisphere),[14] and has relatively large seeds, which measure 0.62–0.90 mm (0.024–0.035 in).[14] The name ''spear'' mint derives from the pointed leaf tips.[15]

Mentha spicata varies considerably in leaf blade dimensions, the prominence of leaf veins, and pubescence.[16]

Taxonomy

Mentha spicata was first described scientifically by Carl Linnaeus in 1753.[2] The epithet spicata means 'bearing a spike'.[17] The species has two accepted subspecies, each of which has acquired a large number of synonyms:[2][4][5]

  • Mentha spicata subsp. condensata (Briq.) Greuter & Burdet – eastern Mediterranean, from Italy to Egypt
  • Mentha spicata subsp. spicata – distribution as for the species as a whole

Origin

The plant is a allopolyploid species (2n = 48),[18][19] which could be a result of hybridization and chromosome doubling. Mentha longifolia and Mentha suaveolens (2n = 24) are likely to be the contributing diploid species.[14][20][21]

Hybrids

Mentha spicata hybridizes with other Mentha species, forming hybrids such as:[21]

Varieties and cultivars

There are several commonly available[22] varieties and cultivars of Mentha spicata:

  • M. spicata var. crispa (syn. M. spicata 'Crispa') - with very crinkled leaves.[22]
  • M. spicata var. crispa 'Moroccan' - with crinkled leaves and white flowers.[22]
  • M. spicata 'Tashkent' - with slightly crinkled leaves.[22]
  • M. spicata 'Spanish' - with mauve-pink flowers.[22]

History and domestication

Mention of spearmint dates back to at least the 1st century AD, with references from naturalist Pliny and mentions in the Bible.[23][24] Further records show descriptions of mint in ancient mythology.[24] Findings of early versions of toothpaste using mint in the 14th century suggest widespread domestication by this point.[24] It was introduced into England by the Romans by the 5th century, and the "Father of British Botany", of the surname Turner, mentions mint as being good for the stomach.[24] John Gerard's Herbal (1597) states that: "It is good against watering eyes and all manner of break outs on the head and sores. "It is applied with salt to the biting of mad dogs," and that "They lay it on the stinging of wasps and bees with good success." He also mentions that "the smell rejoices the heart of man", for which reason they used to strew it in chambers and places of recreation, pleasure, and repose, where feasts and banquets are made."[25]

Spearmint is documented as being an important cash crop in Connecticut during the period of the American Revolution, at which time mint tea was noted as being a popular drink due to it not being taxed.[23]

Ecology

Spearmint can readily adapt to grow in various types of soil. Spearmint tends to thrive with plenty of organic material in full sun to part shade. The plant is also known to be found in moist habitats such as swamps or creeks, where the soil is sand or clay.[26]

Spearmint ideally thrives in soils that are deep, well-drained, moist, rich in nutrients and organic matter, and have a crumbly texture. The pH range should be between 6.0 and 7.5.[27]

Diseases and pests

Fungal diseases

Fungal diseases are common diseases in spearmint. Two main diseases are rust and leaf spot. Puccinia menthae is a fungus that causes the disease called "rust". Rust affects the leaves of spearmint by producing pustules inducing the leaves to fall off. Leaf spot is a fungal disease that occurs when Alternaria alernata is present on the spearmint leaves. The infection looks like circular dark spot on the top side of the leaf. Other fungi that cause disease in spearmint are Rhizoctonia solani, Verticillium dahliae, Phoma strasseri, and Erysiphe cischoracearum.[28]

Nematode diseases

Some nematode diseases in spearmint include root knot and root lesions. Nematode species that cause root knots in this plant are various Meloidogyne species. The other nematode species are Pratylenchus which cause root lesions.[28]

Viral and phytoplasmal diseases

Spearmint can be infected by tobacco ringspot virus. This virus can lead to stunted plant growth and deformation of the leaves in this plant. In China, spearmint have been seen with mosaic symptoms and deformed leaves. This is an indication that the plant can also be infected by the viruses, cucumber mosaic and tomato aspermy.[28]

Cultivation and harvest

Spearmint grows well in nearly all temperate climates.[29] Gardeners often grow it in pots or planters due to its invasive, spreading rhizomes.[30]

Spearmint leaves can be used fresh, dried, or frozen.[31] The leaves lose their aromatic appeal after the plant flowers. It can be dried by cutting just before, or right (at peak) as the flowers open, about one-half to three-quarters the way down the stalk (leaving smaller shoots room to grow).[32] Some dispute exists as to what drying method works best; some prefer different materials (such as plastic or cloth) and different lighting conditions (such as darkness or sunlight). The leaves can also be preserved in salt, sugar, sugar syrup, alcohol, or oil.

Oil uses

Spearmint is used for its aromatic oil, called oil of spearmint. The most abundant compound in spearmint oil is R-(–)-carvone, which gives spearmint its distinctive smell. Spearmint oil also contains significant amounts of limonene, dihydrocarvone, and 1,8-cineol.[33] Unlike oil of peppermint, oil of spearmint contains minimal amounts of menthol and menthone. It is used as a flavouring for toothpaste and confectionery, and is sometimes added to shampoos and soaps.

Traditional medicine

Spearmint has been used in traditional medicine.[26]

Insecticide and pesticide

Spearmint essential oil has had success as a larvicide against mosquitoes. Using spearmint as a larvicide would be a greener alternative to synthetic insecticides due to their toxicity and negative effect to the environment.[34]

Used as a fumigant, spearmint essential oil is an effective insecticide against adult moths.[35]

Antimicrobial research

Spearmint has been used for its supposed antimicrobial activity, which may be related to carvone.[36] Its in vitro antibacterial activity has been compared to that of amoxicillin, penicillin, and streptomycin.[36] Spearmint oil is found to have higher activity against gram-positive bacteria compared to gram-negative bacteria in vitro,[36] which may be due to differing sensitivities to oils.[37][38]

Beverages

Spearmint leaves are infused in water to make spearmint tea. Spearmint is an ingredient of Maghrebi mint tea. Grown in the mountainous regions of Morocco, this variety of mint possesses a clear, pungent, but mild aroma.[39] Spearmint is an ingredient in several mixed drinks, such as the mojito and mint julep. Sweet tea, iced and flavored with spearmint, is a summer tradition in the Southern United States.

Gallery

  • Mentha spicata

  • Plant in flower

  • Flowers

  • White flowering whorls of a spearmint plant.

  • Mentha spicata 01.jpg

References

  1. ↑ Lansdown, R.V. (2014). "Mentha spicata". IUCN Red List of Threatened Species 2014: e.T164464A42395980. https://www.iucnredlist.org/species/164464/42395980. Retrieved 21 May 2022. 
  2. ↑ 2.0 2.1 2.2 "Mentha spicata L.". Plants of the World Online. Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:451162-1. 
  3. ↑ "Mentha L.". Germplasm Resources Information Network. United States Department of Agriculture. 2004-09-10. https://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?7464. 
  4. ↑ 4.0 4.1 "Mentha spicata subsp. condensata (Briq.) Greuter & Burdet". Plants of the World Online. Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:924345-1. 
  5. ↑ 5.0 5.1 "Mentha spicata subsp. spicata". Plants of the World Online. Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77171344-1. 
  6. ↑ "Mentha". Merriam-Webster Dictionary. https://www.merriam-webster.com/dictionary/Mentha. 
  7. ↑ "Botanary: spicata". https://davesgarden.com/guides/botanary/go/5437/. 
  8. ↑ Seidemann, Johannes (2005). World Spice Plants: Economic Usage, Botany, Taxonomy. New York: Springer. p. 229. ISBN 978-3-540-22279-8. https://books.google.com/books?id=fhN0VK2608QC&pg=PA229. 
  9. ↑ "Mentha spicata, spearmint". Royal Horticultural Society. https://www.rhs.org.uk/Plants/11055/i-Mentha-spicata-i/Details. 
  10. ↑ "Mentha spicata Spearmint". Royal Botanic Gardens, Kew. https://www.kew.org/plants/spearmint. 
  11. ↑ "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". kew.org. https://apps.kew.org/wcsp/namedetail.do?name_id=125402. 
  12. ↑ 12.0 12.1 "Flora of China Vol. 17 Page 238 留兰香 liu lan xiang Mentha spicata Linnaeus, Sp. Pl. 2: 576. 1753". Efloras.org. https://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200019821. 
  13. ↑ Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan ISBN:0-333-47494-5.[page needed]
  14. ↑ 14.0 14.1 14.2 Vokou, D.; Kokkini, S. (1989-04-01). "Mentha spicata (Lamiaceae) chemotypes growing wild in Greece" (in en). Economic Botany 43 (2): 192–202. doi:10.1007/BF02859860. ISSN 1874-9364. 
  15. ↑ Turner, W. (1568). Herbal. Cited in the Oxford English Dictionary.
  16. ↑ "Mentha spicata (spearmint): Go Botany". https://gobotany.nativeplanttrust.org/species/mentha/spicata/. 
  17. ↑ Stearn, W.T. (2004). Botanical Latin (4th (p/b) ed.). Portland, Oregon: Timber Press. ISBN 978-0-7153-1643-6.  p. 499.
  18. ↑ Kadereit, Joachim W., ed (2004). Flowering Plants · Dicotyledons. The Families and Genera of Vascular Plants. VII. Berlin, Heidelberg: Springer Berlin Heidelberg. p. 176. doi:10.1007/978-3-642-18617-2. ISBN 978-3-642-62200-7. 
  19. ↑ Harley, R. M.; Brighton, C. A. (1977). "Chromosome numbers in the genus Mentha L.". Botanical Journal of the Linnean Society (Linnean Society of London (OUP)) 74 (1): 71–96. doi:10.1111/j.1095-8339.1977.tb01168.x. ISSN 0024-4074. 
  20. ↑ Harley, R. M. (1972). "Mentha". Flora Europaea. 3. 
  21. ↑ 21.0 21.1 Tucker, Arthur O.; Naczi, Robert F. C. (2007). "Mentha: An Overview of its Classification and Relationships". in Lawrence, Brian M.. Mint: The Genus Mentha. Boca Raton, Florida: CRC Press, Taylor and Francis Group. pp. 1–39. ISBN 978-0-8493-0779-9. 
  22. ↑ 22.0 22.1 22.2 22.3 22.4 Royal Horticultural Society plant finder and selector https://www.rhs.org.uk/plants/search-results?form-mode=true&query=Mentha%20spicata
  23. ↑ 23.0 23.1 "Spearmint | Encyclopedia.com". https://www.encyclopedia.com/plants-and-animals/plants/plants/spearmint. 
  24. ↑ 24.0 24.1 24.2 24.3 "Mint" (in en-US). 2013-03-02. https://www.ourherbgarden.com/herb-history/mint.html. 
  25. ↑ Grieve, Maud (1971). A Modern Herbal: The Medicinal, Culinary, Cosmetic and Economic Properties, Cultivation and Folk-lore of Herbs, Grasses, Fungi, Shrubs, & Trees with All Their Modern Scientific Uses, Volume 2. 
  26. ↑ 26.0 26.1 Cao, L.; Berent, L.; Sturtevant, R. (2014-07-01). "Mentha spicata L.". U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, and NOAA Great Lakes Aquatic Nonindigenous Species Information System, Ann Arbor, MI. https://nas.er.usgs.gov/queries/greatlakes/FactSheet.aspx?SpeciesID=2671&Potential=N&Type=0&HUCNumber=DHuron. 
  27. ↑ "Mint growing" (in en). 2007-10-23. https://www.dpi.nsw.gov.au/agriculture/horticulture/vegetables/commodity-growing-guides/mint-growing. 
  28. ↑ 28.0 28.1 28.2 Kalra, A.; Singh, H. B.; Pandey, R.; Samad, A.; Patra, N. K.; Kumar, Sushil (2005). "Diseases in Mint: Causal Organisms, Distribution, and Control Measures". Journal of Herbs, Spices & Medicinal Plants 11 (1–2): 71–91. doi:10.1300/J044v11n01_03. 
  29. ↑ "Spearmint" (in en). https://www.plantgrower.org/spearmint.html. 
  30. ↑ "StackPath". 14 June 2021. https://www.gardeningknowhow.com/plant-problems/weeds/aggressive-garden-plants.htm. 
  31. ↑ "4 Ways to Preserve Fresh Mint for Later" (in en). https://www.thekitchn.com/gardening-101-how-to-preserve-fresh-mint-for-later-220864. 
  32. ↑ "Growing Mint Plants" (in en-US). 2016-01-19. https://maplesnmore.com/blog/growing-mint-plants/. 
  33. ↑ Hussain, Abdullah I.; Anwar, Farooq; Nigam, Poonam S.; Ashraf, Muhammad; Gilani, Anwarul H. (2010). "Seasonal variation in content, chemical composition and antimicrobial and cytotoxic activities of essential oils from four Mentha species". Journal of the Science of Food and Agriculture 90 (11): 1827–1836. doi:10.1002/jsfa.4021. PMID 20602517. Bibcode: 2010JSFA...90.1827H. 
  34. ↑ Yogalakshmi, K.; Rajeswari, M.; Sivakumar, R.; Govindarajan, M. (2012-05-01). "Chemical composition and larvicidal activity of essential oil from Mentha spicata (Linn.) against three mosquito species" (in en). Parasitology Research 110 (5): 2023–2032. doi:10.1007/s00436-011-2731-7. ISSN 1432-1955. PMID 22139403. 
  35. ↑ Eliopoulos, P. A.; Hassiotis, C. N.; Andreadis, S. S.; Porichi, A. E. (2015). "Fumigant toxicity of essential oils from basil and spearmint against two major Pyralid pests of stored products". Journal of Economic Entomology 108 (2): 805–810. doi:10.1093/jee/tov029. PMID 26470193. 
  36. ↑ 36.0 36.1 36.2 Hussain, Abdullah I.; Anwar, Farooq; Shahid, Muhammad; Ashraf, Muhammad (September 2008). "Chemical Composition, and Antioxidant and Antimicrobial Activities of Essential Oil of Spearmint (Mentha spicata L.) From Pakistan" (in en). Journal of Essential Oil Research 22 (1): 78–84. doi:10.1080/10412905.2010.9700269. ISSN 1041-2905. 
  37. ↑ Gullace, M. (2007-01-01). "Antimicrobial and antioxidant properties of the essential oils and methanol extract from Mentha longifolia L. ssp. longifolia" (in en). Food Chemistry 103 (4): 1449–1456. doi:10.1016/j.foodchem.2006.10.061. ISSN 0308-8146. 
  38. ↑ Sivropoulou, Afroditi; Kokkini, Stella; Lanaras, Thomas; Arsenakis, Minas (1995-09-01). "Antimicrobial activity of mint essential oils". Journal of Agricultural and Food Chemistry 43 (9): 2384–2388. doi:10.1021/jf00057a013. ISSN 0021-8561. 
  39. ↑ Richardson, Lisa Boalt (2014). Modern Tea: A Fresh Look at an Ancient Beverage. San Francisco: Chronicle Books. p. 104. ISBN 978-1-4521-3021-7. https://books.google.com/books?id=4QVpAwAAQBAJ&pg=PA104. Retrieved 2016-10-13. 

External links

Wikidata ☰ Q160114 entry



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