Biology:Chamomile

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Chamomile (American English) or camomile (British English; see spelling differences) (/ˈkæməmaɪl, -miːl/ KAM-ə-myle or KAM-ə-meel[1][2]) is the common name for several daisy-like plants of the family Asteraceae. Two of the species, Matricaria chamomilla and Chamaemelum nobile, are commonly used to make herbal infusions for beverages.[3][4] Chamomile is used as a flavoring in foods, beverages, and cosmetics, in herbal teas, in brewing beer, and as a ground cover or seating plant in gardens.

There is no clinical evidence supporting the effectiveness of consuming chamomile to treat any diseases.[3][4] Chamomile may interact adversely with various herbs and drugs, worsen pollen allergies, and is not recommended for people with hormone-sensitive conditions or when combined with anticoagulants. Because Roman chamomile may cause uterine contractions, it should not be used during pregnancy, and its safety during breastfeeding is unknown.[3][4]

Chamomile is highly susceptible to numerous fungi, Viruses, and Insects, which collectively pose significant threats to its cultivation. Chamomile appears in literature, music, and symbolism—as a soothing remedy in The Tale of Peter Rabbit, the title of The Camomile Lawn, a lyric in No Doubt’s "Hey Baby," a metaphor in Shakespeare, and as Russia’s national flower.

Etymology

The word chamomile is derived via French and Latin, from the Greek χαμαίμηλον, khamaimēlon, 'earth apple', from χαμαί, khamai, 'on the ground', and μῆλον, mēlon, 'apple'.[5][6] First used in the 13th century, the spelling chamomile corresponds to the Latin chamomilla and the Greek chamaimelon.[6] The spelling camomile is a British derivation from the French.[6]

Species

Loose-leaf chamomile tea

Some commonly used species include:

  • Matricaria chamomilla – often called "German chamomile" or "Water of Youth"[7]
  • Chamaemelum nobile – Roman, English, or garden chamomile; also frequently used (C. nobile Treneague is normally used to create a chamomile lawn)[8]

A number of other species' common names include the word chamomile. This does not necessarily mean they are used in the same manner as the species used in the herbal tea known as "chamomile". Plants including the common name chamomile, of the family Asteraceae, are:

Uses

Chamomile tea being served at the Savoy Hotel in London, England

Chamomile may be used as a flavoring agent in foods and beverages, mouthwash, soaps, and cosmetics.[4] Chamomile tea is an herbal infusion made from dried flowers and hot water, and may improve sleep quality.[3] Two types of chamomile are used, namely German chamomile (Matricaria recutita) and Roman chamomile (Chamaemelum nobile).[3] Chamomile has historically been used as one of the flavoring ingredients in beer,[9] and is sometimes used by modern brewers.[10] Usually the whole plant is used, adding a bitter flavor component.[11]

Chamomile, chiefly Chamaemelum nobile cultivars, is used to "upholster" chamomile seats, raised beds which are about half a meter tall, and designed to be sat upon.[12] Chamomile lawns are also used in sunny areas with light traffic.[13]

Research

There is no clinical evidence that chamomile is effective for treating any diseases.[4] Chamomile is under preliminary research for its potential anti-anxiety properties.[7] There is no good evidence that it is useful for treating insomnia.[14]

Phytochemicals

The main compounds in chamomile flowers are coumarins, flavonoids, and polyphenols,[7] including apigenin, quercetin, patuletin, luteolin, and daphnin.[15][16]

Drug interactions

The use of chamomile has the potential to cause adverse interactions with numerous herbal products and prescription drugs and may worsen pollen allergies.[4] People who are allergic to ragweed (also in the daisy family) may be allergic to chamomile due to cross-reactivity.[3]

Chamomile contains coumarin, glycoside, herniarin, flavonoid, farnesol, nerolidol, and germacranolide. Despite the presence of coumarin, as chamomile's effect on the coagulation system has not yet been studied, it is unknown whether a clinically significant drug–herb interaction exists with anticoagulant drugs.[4] However, until more information is available, it is not recommended to use these substances concurrently.[17]

Chamomile should not be used by people with past or present cancers of the breast, ovary, or uterus; endometriosis; or uterine fibroids.[4]

Pregnancy and breastfeeding

Because chamomile has been known to cause uterine contractions that can invoke miscarriage, pregnant women are advised to not consume Roman chamomile (Chamaemelum nobile).[3][4] Although oral consumption of chamomile is generally recognized as safe in the United States, there is insufficient clinical evidence about its potential for affecting nursing infants.[4]

Agriculture

The chamomile plant is known to be susceptible to many fungi, insects, and viruses. The following fungi are known to attack this plant: Albugo tragopogonis (white rust), Cylindrosporium matricariae, Halicobasidium purpureum, Peronospora leptosperma, Peronospora radii, Phytophthora cactorum, Puccinia anthemedis, Puccinia matricaiae, Septoria chamomillae, and multiple powdery mildew species. Also, yellow virus (Chlorogenus callistephi var. californicus Holmes, Callistephus virus 1A) causes severe damage to this plant.[18]Aphids (Aphis fabae) have been observed feeding on chamomile plants and the moth Autographa chryson causes defoliation.The insect Nysius minor caused shedding of M. chamomilla flowers,[18]

Historical descriptions

Nicholas Culpeper's 17th century The Complete Herbal has an illustration and several entries on chamomel.[19][20]

In culture

  • In The Tale of Peter Rabbit by Beatrix Potter (1902), Peter's mother gives him chamomile tea to cure his stomach ache.[21]
  • Mary Wesley's 1984 novel The Camomile Lawn features a house in Cornwall with a lawn planted with chamomile rather than grass.
  • In the 2001 No Doubt song "Hey Baby", chamomile is featured in the line "I'm just sippin' on chamomile", sung by Gwen Stefani.[22]
  • Chamomile is the national flower of Russia.[23]
  • In Shakespeare’s Henry IV, Part 1, Falstaff proclaims "…the camomile grows faster the more it is trodden on".

References

  1. ↑ Jones, Daniel (2003), Peter Roach; James Hartmann; Jane Setter, eds., English Pronouncing Dictionary, Cambridge: Cambridge University Press, ISBN 978-3-12-539683-8 
  2. ↑ "Chamomile". Dictionary.com Unabridged. Random House. 2025. http://dictionary.reference.com/browse/chamomile. Retrieved 12 February 2025. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 "Chamomile". National Center for Complementary and Integrative Health, US National Institutes of Health. November 2024. https://www.nccih.nih.gov/health/chamomile. 
  4. ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 "Chamomile". Drugs.com. 2025. https://www.drugs.com/mtm/chamomile.html. 
  5. ↑ χαμαίμηλον. Liddell, Henry George; Scott, Robert; A Greek–English Lexicon at the Perseus Project
  6. ↑ 6.0 6.1 6.2 "Chamomile". Online Etymology Dictionary. 2019. http://www.etymonline.com/index.php?term=camomile. 
  7. ↑ 7.0 7.1 7.2 Sarris, J; Panossian, A; Schweitzer, I; Stough, C; Scholey, A (December 2011). "Herbal medicine for depression, anxiety, and insomnia: a review of psychopharmacology and clinical evidence". European Neuropsychopharmacology 21 (12): 841–860. doi:10.1016/j.euroneuro.2011.04.002. PMID 21601431. 
  8. ↑ "Camomile lawn". The Royal Horticultural Society. 2018. https://www.rhs.org.uk/advice/profile?pid=281. 
  9. ↑ Grieve, Maude (1931). A Modern Herbal. https://botanical.com/botanical/mgmh/c/chammo49.html. 
  10. ↑ "Chamomile Beer List". https://www.ratebeer.com/tag/chamomile/. 
  11. ↑ "Brewing Wildflower Wheat". July 2012. https://www.brewersfriend.com/2012/07/01/brewing-wildflower-wheat-a-honey-chamomile-wheat-beer-from-dogfish-head-founder-sam-calagione/. 
  12. ↑ The Sensory Garden, Buckfast Abbey (image)
  13. ↑ "Chamomile lawns" (in en-gb). https://www.rhs.org.uk/lawns/chamomile-lawns. 
  14. ↑ Leach, Matthew J.; Page, Amy T. (2015). "Herbal medicine for insomnia: A systematic review and meta-analysis". Sleep Medicine Reviews 24: 1–12. doi:10.1016/j.smrv.2014.12.003. ISSN 1087-0792. PMID 25644982. 
  15. ↑ McKay, D. L.; Blumberg, J. B. (2006). "A review of the bioactivity and potential health benefits of chamomile tea (Matricaria recutita L.)". Phytotherapy Research 20 (7): 519–30. doi:10.1002/ptr.1900. PMID 16628544. 
  16. ↑ El Mihyaoui, A; Esteves da Silva, JCG; Charfi, S; Candela Castillo, ME; Lamarti, A; Arnao, MB (25 March 2022). "Chamomile (Matricaria chamomilla L.): A Review of Ethnomedicinal Use, Phytochemistry and Pharmacological Uses.". Life 12 (4): 479. doi:10.3390/life12040479. PMID 35454969. Bibcode: 2022Life...12..479E. 
  17. ↑ Abebe, W. (2002-12-01). "Herbal medication: potential for adverse interactions with analgesic drugs". Journal of Clinical Pharmacy and Therapeutics 27 (6): 391–401. doi:10.1046/j.1365-2710.2002.00444.x. ISSN 0269-4727. PMID 12472978. 
  18. ↑ 18.0 18.1 Singh, Ompal; Khanam, Zakia; Misra, Neelam; Srivastava, Manoj Kumar (2011). "Chamomile (Matricaria chamomilla L.): An overview". Pharmacognosy Reviews 5 (9): 82–95. doi:10.4103/0973-7847.79103. ISSN 0973-7847. PMID 22096322. 
  19. ↑ Culpeper, Nicholas (1600s). The Complete Herbal. https://www.gutenberg.org/files/49513/49513-h/49513-h.htm. 
  20. ↑ "[Illustration on Project Gutenberg]". https://www.gutenberg.org/files/49513/49513-h/images/i_plate_04-big.jpg. 
  21. ↑ Michael Castleman The New Healing Herbs: The Classic Guide to Nature's Best Medicines ... at Google Books
  22. ↑ No Doubt (Ft. Bounty Killer) – Hey Baby, https://genius.com/No-doubt-hey-baby-lyrics, retrieved 2024-04-24 
  23. ↑ James Minahan. The complete guide to national symbols and emblems, Vol. 1. Greenwood Press. 2009.
  • PLANTS Profile: Anthemis tinctoria L. (golden chamomile), USDA
  • Texts on Wikisource:



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