Mentha_aquatica

<i>Mentha aquatica</i>

Mentha aquatica

Species of flowering plant

Quick Facts Mentha aquatica, Conservation status ...

Mentha aquatica (water mint; syn. Mentha hirsuta Huds.[3]) is a perennial flowering plant in the mint family Lamiaceae. It grows in moist places and is native to much of Europe, northwest Africa and southwest Asia.[3][4]

Description

Water mint is a herbaceous rhizomatous perennial plant growing to 90 centimetres (35 in) tall. The stems are square in cross section, green or purple, and variably hairy to almost hairless. The rhizomes are wide-spreading, fleshy, and bear fibrous roots. The leaves are ovate to ovate-lanceolate, 2 to 6 centimetres (0.79 to 2.36 in) long and 1 to 4 centimetres (0.39 to 1.57 in) broad, green (sometimes purplish), opposite, toothed, and vary from hairy to nearly hairless. The flowers of the watermint are tiny, densely crowded, purple, tubular, pinkish to lilac in colour and form a terminal hemispherical inflorescence; flowering is from mid to late summer. Water mint is visited by many types of insects, and can be characterized by a generalized pollination syndrome,[5] but can also spread by underground rhizomes. All parts of the plant have a distinctly minty smell.[4][6][7] Unbranched, hairless plants, with narrower leaves and paler flowers, native to areas of Sweden and Finland near the Baltic Sea, have been called Mentha aquatica var. litoralis.[8]

Mentha aquatica is a polyploid, with 2n = 8x = 96 chromosomes.[9]

Taxonomy

Mentha aquatica was first described by Carl Linnaeus in 1753.[10] As with other Mentha species, it was subsequently re-described under a variety of different names; as of July 2019, Plants of the World Online listed 87 synonyms, including four forms or varieties that it does not recognize.[11] The cultivated eau de Cologne mint (also known as bergamot mint) is considered to be a variety of this species.[9]

It hybridises with Mentha spicata (spearmint) to produce Mentha × piperita (peppermint), a sterile hybrid; with Mentha suaveolens (apple mint) to produce Mentha × suavis; with Mentha arvensis (corn mint) to produce Mentha × verticillata; and with both M. arvensis and M. spicata to give the tri-species hybrid Mentha × smithiana.[4]

Distribution and habitat

Water mint is native to much of Europe, northern Africa and western Asia. It has been introduced to North and South America, Australia and some Atlantic islands.[8]

As the name suggests, water mint occurs in the shallow margins and channels of streams, rivers, pools, dikes, ditches, canals, wet meadows, marshes and fens. If the plant grows in the water itself, it rises above the surface of the water. It generally occurs on mildly acidic to calcareous (it is common on soft limestone) mineral or peaty soils.[4][6] M. aquatica can occur in certain fen-meadow habitats such as the Juncus subnodulosus–Cirsium palustre plant association.[12] It is a component of purple moor grass and rush pastures – a type of Biodiversity ActPlan habitat in the UK.[citation needed]

Uses

It can be used as an edible herb (like spearmint or peppermint)[13] and to make a herbal tea.[8] The cultivated variety known as eau de Cologne mint or bergamot mint is used to produce mentha citrata oil, also known as bergamot mint oil, an ingredient used in perfumery[9][14] (not to be confused with bergamot essential oil).[citation needed]

  • corolla mauve, leaves opposite [15]

See also

References

Wikimedia Commons has media related to Mentha aquatica.
  1. [1]
    de Belair, G.; Lansdown, R.V. (2014). "Mentha aquatica". IUCN Red List of Threatened Species. 2014: e.T164509A63304147. doi:10.2305/IUCN.UK.2014-2.RLTS.T164509A63304147.en. Retrieved 13 November 2021.
  2. [2]
    "The Plant List: A Working List of All Plant Species". Retrieved April 3, 2014.
  3. [3]
    Euro+Med Plantbase Project: Mentha aquatica Archived 2011-07-18 at the Wayback Machine
  4. [4]
    Flora of NW Europe: Mentha aquatica Archived 2009-06-16 at the Wayback Machine
  5. [5]
    Van Der Kooi, C. J.; Pen, I.; Staal, M.; Stavenga, D. G.; Elzenga, J. T. M. (2015). "Competition for pollinators and intra-communal spectral dissimilarity of flowers". Plant Biology. 18 (1): 56–62. doi:10.1111/plb.12328. PMID 25754608.
  6. [6]
    Blamey, M. & Grey-Wilson, C. (1989). Flora of Britain and Northern Europe. ISBN 0-340-40170-2
  7. [7]
    Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan ISBN 0-333-47494-5.
  8. [8]
    "Water mint: Mentha aquatica". NatureGate. Retrieved 2013-12-13.
  9. [9]
    Tucker, Arthur O.; Naczi, Robert F. C. (2007). "Mentha: An Overview of its Classification and Relationships". In Lawrence, Brian M. (ed.). Mint: The Genus Mentha. Boca Raton, Florida: CRC Press, Taylor and Francis Group. pp. 1–39. ISBN 978-0-8493-0779-9.
  10. [10]
    "Mentha aquatica L." The International Plant Names Index. Retrieved 2019-07-16.
  11. [11]
    "Mentha aquatica L." Plants of the World Online. Royal Botanic Gardens, Kew. Archived from the original on 2019-07-14. Retrieved 2019-07-16.
  12. [12]
    C. Michael Hogan. 2009. Marsh Thistle: Cirsium palustre, GlobalTwitcher.com, ed. N. Strömberg Archived 2012-12-13 at the Wayback Machine
  13. [13]
    Asadollah-Pour F, Jokar A, Nasiri E, Azadbakht M, Bari Z, Ahmadi A. A Comprehensive Review on the Ethnobotany, Phytochemistry, Pharmacology, and Toxicology of Mentha aquatic L (water mint) as a Wild Shallow Vegetable. Curr Pharm Des. 2021;27(22):2615-2627. doi: 10.2174/1381612827666210219154751. PMID: 33605850.
  14. [14]
    "Bergamot mint herb oil". The Good Scents Company Information System. The Good Scents Company. Retrieved 2019-07-16.
  15. [15]
    Rose, Francis (1981). The Wild Flower Key. Frederick Warne & Co. p. 310. ISBN 0-7232-2419-6.
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