Galium aparine
Cleavers | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Gentianales |
Family: | Rubiaceae |
Genus: | Galium |
Species: | G. aparine
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Binomial name | |
Galium aparine | |
Synonyms[1] | |
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Galium aparine, ('aparine' from Greek 'apairo' - “lay hold of” or “seize”) [2] with many common names including cleavers,[3] clivers, "bort", bedstraw, goosegrass,[3] catchweed,[3] stickyweed, stickybud, robin-run-the-hedge, sticky willy,[3][4] sticky willow, stickyjack, stickeljack, and grip grass, is a herbaceous annual plant of the family Rubiaceae.
Description
Cleavers are annuals with creeping straggling stems which branch and grow along the ground and over other plants. They attach themselves with the small hooked hairs which grow out of the stems and leaves. The stems can reach up to three feet or longer, and are angular or square shaped.[5] The leaves are simple, narrowly oblanceolate to linear, and borne in whorls of six to eight.[5][6][7]
Cleavers have tiny, star-shaped, white to greenish flowers, which emerge from early spring to summer. The flowers are clustered in groups of two or three, and are borne out of the leaf axils.[8]The corolla bears 4 petals.[9] The globular fruits are burrs which grow one to three seeds clustered together; they are covered with hooked hairs which cling to animal fur, aiding in seed dispersal.[8]
Distribution
The species is native to a wide region of Europe, North Africa and Asia from Britain and the Canary Islands to Japan. It is now naturalized throughout most of the United States, Canada, Mexico, Central America, South America, Australia, New Zealand, some oceanic islands and scattered locations in Africa. Whether it is native to North America is a question of some debate, but it is considered to be native there in most literature.[10] It is considered a noxious weed in many places.[11][12]
Effects on the body
For some people, skin contact with Galium aparine causes an unpleasant localized rash[13] known as contact dermatitis.
Chemistry
Chemical constituents of Galium aparine include: iridoid glycosides such as asperulosidic acid and 10-deacetylasperulosidic acid,[14] asperuloside, monotropein and aucubin, alkaloids such as caffeine, phenolics such as phenolic acids, anthraquinone derivatives such as the aldehyde nordamnacanthal (1,3-dihydroxy-anthraquinone-2-al),[15] flavonoids and coumarins, organic acids such as citric acid and a red dye.[16]
Edibility
Galium aparine is edible. The leaves and stems of the plant can be cooked as a leaf vegetable if gathered before the fruits appear. However, the numerous small hooks which cover the plant and give it its clinging nature can make it less palatable if eaten raw.[17][18] Geese thoroughly enjoy eating G. aparine, hence one of its other common names, "goosegrass".[19] Cleavers are in the same family as coffee. The fruits of cleavers have often been dried and roasted, and then used as a coffee substitute which contains less caffeine.[5][20]
Folk medicine
Poultices and washes made from cleavers were traditionally used to treat a variety of skin ailments, light wounds and burns.[21] As a pulp, it has been used to relieve poisonous bites and stings.[22] To make a poultice, the entire plant is used, and applied directly to the affected area.[23] Cleavers is also used as a lymphatic system aid, as it assists the lymph nodes in cleaning out toxins. Making a tea with the dried leaves is most common.[24] It can be brewed hot or cold. For a cold infusion, steep in water and refrigerate for 24–48 hours.
Other uses
Dioscorides reported that ancient Greek shepherds would use the barbed stems of cleavers to make a "rough sieve", which could be used to strain milk. Linnaeus later reported the same usage in Sweden, a tradition that is still practiced in modern times.[21][25]
In Europe, the dried, matted foliage of the plant was once used to stuff mattresses. Several of the bedstraws were used for this purpose because the clinging hairs cause the branches to stick together, which enables the mattress filling to maintain a uniform thickness.[18][26] The roots of cleavers can be used to make a permanent red dye.[27]
Ecology
The plant can be found growing in hedges and waste places, limestone scree and as a garden weed.[28][29]
G. aparine prefers moist soils and can exist in areas with poor drainage. It reportedly flourishes in heavy soils with above-average nitrogen and phosphorus content, and prefers soils with a pH value between 5.5 and 8.0. G. aparine is often found in post-fire plant communities in the United States, likely developing from onsite seed and therefore rendering controlled burns as an ineffective means of removing G. aparine in areas where it is considered a noxious weed.[30]
Many insects feed on cleavers including aphids and spittlebugs.
The anthraquinone aldehyde nordamnacanthal (1,3-dihydroxy-anthraquinone-2-al) present in G. aparine has an antifeedant activity against Spodoptera litura, the Oriental leafworm moth, a species which is considered an agricultural pest.[15] The Acari Cecidophyes rouhollahi can be found on G. aparine.[31]
Etymology
Galium is Dioscorides’ name for the plant. It is derived from the Greek word for ‘milk’, because the flowers of Galium verum were used to curdle milk in cheese making.[32]
Aparine is a name used by Theophrastus for goosegrass. It is derived from Greek and means ‘clinging’ or ‘seizing’.[32]
Photos
References
- ↑ "The Plant List: A Working List of All Plant Species". Retrieved 20 June 2015.
- ↑ http://climbers.lsa.umich.edu/?p=461
- ↑ 3.0 3.1 3.2 3.3 [{{#property:P1421|}} "{{#Property:P225}}"] Check
|url=
value (help). Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 20 June 2015. - ↑ Viney, Michael. "Another Life: Sometimes stickyback is just the weed we need". 24 Aug 2013. Irish times.com. Retrieved 18 June 2017.
- ↑ 5.0 5.1 5.2 Duke, James A. (2001). Handbook of Edible Weeds. CRC Press. p. 100. ISBN 9780849329463.
- ↑ Rabeler, Richard K. (2007). Gleason's Plants of Michigan. University of Michigan Press. p. 299. ISBN 9780472032464.
- ↑ Webb, D.A., Parnell, J. and Doogue, D. 1996. An Irish Flora. Dundalgan Press (W.Tempest) Ltd. Dundalk. 0-85221-131-7
- ↑ 8.0 8.1 Grieve, Maud (1971). "Clivers". 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 1. Dover Publications. p. 206. ISBN 9780486227986.
- ↑ Parnell, J. and Curtis, T. 2012 Webb's An Irish Flora Cork University Press. <templatestyles src="Module:Citation/CS1/styles.css" />ISBN 978-185918-4783
- ↑ US Forest Service
- ↑ Kew World Checklist of Selected Plant Families
- ↑ Biota of North America Program
- ↑ Evanoff, K. (2013). "Bedstraw is a weed that bites back". Tribune Chronicle. Archived from the original on 2014-04-13.[Link Evanoff]
- ↑ Iridoids from Galium aparine. D Deliorman, I Çalis, and F Ergun, Pharmaceutical Biology, 2001, Vol. 39, No. 3, Pages 234-235, doi:10.1076/phbi.39.3.234.5928
- ↑ 15.0 15.1 Antifeedant activity of an anthraquinone aldehyde in Galium aparine L. against Spodoptera litura F. Masanori Morimoto, Kumiko Tanimoto, Akiko Sakatani and Koichiro Komai, Phytochemistry, May 2002, Volume 60, Issue 2, Pages 163–166, doi:10.1016/S0031-9422(02)00095-X
- ↑ Rahman, Atta-ur (2005). Studies in Natural Products Chemistry: Bioactive Natural Products (Part L). Gulf Publishing Company. p. 291. ISBN 9780444521712.
- ↑ Edible Wild Plants: A North American Field Guide. Books.google.com. 1990. ISBN 9780806974880. Retrieved 2013-08-14.
- ↑ 18.0 18.1 Tull, Delena. "Edible and Useful Plants of Texas and the Southwest." 1999, p. 145
- ↑ Dukes, James A. (2002). The Green Pharmacy Herbal Handbook. Macmillan. p. 102. ISBN 9780312981518.
- ↑ Wood, Matthew (2008). "Galium aparine. Cleavers. Lady's Bedstraw. Goosegrass.". The Earthwise Herbal: A Complete Guide to Old World Medicinal Plants. North Atlantic Books. p. 267. ISBN 9781556436925.
- ↑ 21.0 21.1 Grieve, Maud (1971). "Clivers". 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 1. Dover Publications. p. 207. ISBN 9780486227986.
- ↑ Jones, Pamela. Just Weeds: History, Myths, and Uses. Prentice Hall Press, New York. 1991.
- ↑ Schneider, Anny & Mellichamp, Larry (2002). Wild Medicinal Plants: What to Look For, When to Harvest, How to Use. Stackpole Books. p. 73. ISBN 9780811729871.
- ↑ https://www.achs.edu/blog/2012/05/14/extend-benefits-massage-part-2
- ↑ Loudon, John Claudius. "An encyclopædia of plants", 1836, p. 93
- ↑ Runkel, Sylvan T. & Roosa, Dean M. (2009). Wildflowers of the Tallgrass Prairie: The Upper Midwest. University of Iowa. p. 65. ISBN 9781587297960.
- ↑ Hutchens, Alma R. (1992). A Handbook of Native American Herbs. Shambala Publications. p. 97. ISBN 9780877736998.
- ↑ Hackney, P. (Ed)1992. Stewart & Corry's Flora of the North-east of Ireland. Third Edition. Institute of Irish Studies, The Queen's University of Belfast. <templatestyles src="Module:Citation/CS1/styles.css" />ISBN 0 85389 446 9
- ↑ Clapham, A.R., Tutin, T.G. and Warburg, E.F. 1968. Excursion Flora of the British Isles. Second Edition. Cambridge University Press.
- ↑ Gucker, Corey. "Galium aparine". Fire Effects Information System. United States Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Retrieved 14 February 2017.
- ↑ A new species of Cecidophyes (Acari: Eriophyidae) from Galium aparine (Rubiaceae) with notes on its biology and potential as a biological control agent for Galium spurium. Charnie Craemer, Rouhollah Sobhian, Alec S. McClay and James W. Amrine Jr., International Journal of Acarology, 1999, Volume 25, Issue 4, pages 255-263, doi:10.1080/01647959908684162
- ↑ 32.0 32.1 Gledhill, David (2008). "The Names of Plants". Cambridge University Press. <templatestyles src="Module:Citation/CS1/styles.css" />ISBN 9780521866453 (hardback), <templatestyles src="Module:Citation/CS1/styles.css" />ISBN 9780521685535 (paperback). pp 52, 174
Further reading
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- Edible and Medicinal Plants of the West, Gregory L. Tilford, <templatestyles src="Module:Citation/CS1/styles.css" />ISBN 0-87842-359-1
- Altervista Flora Italiana
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- Medicinal plants of Asia
- Medicinal plants of Europe
- Medicinal plants of North America
- Galium
- Flora of Canada
- Flora of the United States
- Flora of Mexico
- Flora of Central America
- Flora of South America
- Flora of the Caribbean
- Flora of Australia
- Flora of Africa
- Flora of the Canary Islands
- Flora of Greenland
- Flora of Hawaii
- Flora of New Zealand
- Flora of Asia
- Flora of Bermuda
- Flora of China
- Plants described in 1753