| 词条 | Aerva lanata |
| 释义 |
|image = Aerva lanata Blanco2.354.png |image_caption = Aerva lanata var. rotundifolia |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Core eudicots |ordo = Caryophyllales |familia = Amaranthaceae |subfamilia = Amaranthoideae |genus = Aerva |species = A. lanata[1] |binomial = Aerva lanata |binomial_authority = (L.) Juss. ex Schult. |synonyms =
|synonyms_ref =[2] }}Aerva lanata (mountain knotgrass) is a woody, prostrate or succulent, perennial herb in the Amaranthaceae family of the genus Aerva, native to Asia, Africa. It has been included as occurring in Australia by the US government,[1] but it is not recognised as occurring in Australia by any Australian state herbarium.[3] The plant sometimes flowers in the first year.[4][5] A. lanata is a common weed which grows wild everywhere in the plains of India. The root has a camphor-like aroma. The dried flowers which look like soft spikes, are sold under the commercial names Buikallan and Boor. It is one of the plants included in Dasapushpam, the ten sacred flowers of Kerala. DescriptionMountain knotgrass is an annual with a branching, somewhat woody root system. The stems are mostly straggling and sprawling and spread widely, sometimes as much as {{convert|6|ft}} in length. The often stalkless leaves are alternate, oval and {{convert|0.5|to|1.5|in|0|abbr=on}} long. They grow from whitish papery stipules with two lobes and red bases. The tiny clusters of two or three flowers grow in the leaf axils. The flowers are about {{convert|0.1|in|abbr=on}} long, pink, green or dull white. The flowers are normally self-pollinated. Flowering time is from May to October.[6]{{unreliable source?|date=October 2017}} DistributionA. lanata prefers damper sites than A. javanica and can be found in open forests on mountain slopes, on waste and disturbed ground, deserted cultivation and coastal scrub[4] and at altitudes from sea level to {{convert|900|m|ft|abbr=on}}.[9] It is a common weed in arable fields and bare patches of ground.
Afrotropic: Northeast Tropical Africa: Ethiopia, Somalia East Tropical Africa: Kenya, Tanzania, Uganda West-Central Tropical Africa: Cameroon, Rwanda, Zaire West Tropical Africa: Côte d'Ivoire, Ghana, Liberia, Nigeria, Sierra Leone, Togo, Benin South Tropical Africa: Malawi, Mozambique, Zimbabwe Southern Africa: South Africa - Natal, Transvaal Western Indian Ocean: Madagascar Arabian Peninsula: Saudi Arabia Indomalaya: Indian Subcontinent: India, Sri Lanka Malesia: Indonesia, Malaysia, Papua New Guinea, Philippines Australasia: Queensland[1] UsesThis plant is used for food for people and animals. The whole plant, especially the leaves, is edible. The leaves are put into soup or eaten as a spinach or as a vegetable. The plant provides grazing for stock, game and chickens. The plant is used as a traditional medicine for snakebites.[6]{{unreliable source?|date=October 2017}} The plant is also used as a talisman against evil spirits, a good-luck talisman for hunters, and a talisman for the well-being of widows.[5] In the traditional medicine of India, the juice of crushed Aerva lanata root is used for jaundice therapy.[7] Antioxidant activityThe aqueous extract of A. lanata stem possess in vitro antioxidant activity.[8] Common names
References1. ^1 2 {{GRIN | accessdate = 2008-04-27 }} 2. ^{{cite web |url = http://www.ville-ge.ch/cjb/bd/africa/details.php?langue=an&id=177 |title = Aerva lanata (L.) Juss. ex Schult. record n° 177 |accessdate = 2008-04-27 |work = African Plants Database |publisher = South African National Biodiversity Institute, the Conservatoire et Jardin botaniques de la Ville de Genève and Tela Botanica |archive-url = https://web.archive.org/web/20071012150617/http://www.ville-ge.ch/cjb/bd/africa/details.php?langue=an&id=177 |archive-date = 2007-10-12 |dead-url = yes |df = }} 3. ^{{cite web | url = http://avh.ala.org.au/occurrences/search?taxa=aerva_lanata# | title = Search: SPECIES: Aerva lanata | accessdate = 2018-03-20 | work = The Australasian Virtual Herbarium | publisher = Council of Heads of Australasian Herbaria}} 4. ^1 {{cite journal | url = http://apps.kew.org/efloras/namedetail.do;jsessionid=30FCB414ABA8384CB8913C23048A855B?flora=fz&qry=key&taxon=6604&keyid=1505 | title = Amaranthaceae by C. C. Townsend | volume =9 | issue =part:1 | accessdate = 2008-04-28 | author = Royal Botanic Gardens, Kew | authorlink = Royal Botanic Gardens, Kew | journal = Flora Zambesiaca | publisher = Board of Trustees of the Royal Botanic Gardens, Kew }} 5. ^1 {{cite journal |url = http://www.aluka.org/action/showMetadata?doi=10.5555/AL.AP.UPWTA.1_130 |title = Entry for Aerva lanata (Linn.) Juss. [family AMARANTHACEAE] |accessdate = 2008-04-27 |author = Aluka |authorlink = Aluka |journal = African Plants |doi = 10.5555/AL.AP.UPWTA.1_130 |publisher = Ithaka Harbors, Inc. |archive-url = https://archive.is/20130801231031/http://www.aluka.org/action/showMetadata?doi=10.5555/AL.AP.UPWTA.1_130 |archive-date = 2013-08-01 |dead-url = yes |df = |doi-broken-date = 2019-03-08 }} 6. ^1 {{cite web |url=http://www.toxicologycentre.com/English/plants/Malayalam/cherula.html |title=Aerva lanata |work=Medicinal Plants Used For Snake Treatment |publisher=ToxicologyCentre.com |accessdate=2013-12-10 |archive-url=https://web.archive.org/web/20131213061906/http://www.toxicologycentre.com/English/plants/Malayalam/cherula.html |archive-date=2013-12-13 |dead-url=yes |df= }} 7. ^Tewari D, Mocan A, Parvanov ED, Sah AN, Nabavi SM, Huminiecki L, Ma ZF, Lee YY, Horbańczuk JO, Atanasov AG. [https://www.ncbi.nlm.nih.gov/pubmed/28860989 Ethnopharmacological Approaches for Therapy of Jaundice: Part I.] Front Pharmacol. 2017 Aug 15;8:518. [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5559545/ doi: 10.3389/fphar.2017.00518]. 8. ^{{cite journal | vauthors = Kumar G, Karthik L, ((Rao KVB)) | title = Phytochemical composition and in vitro antioxidant activity of aqueous extract of Aerva lanata (L.) Juss. ex Schult. Stem (Amaranthaceae) | journal = Asian Pacific Journal of Tropical Medicine | date = 2013 | volume = 6 | issue = 3 | pages = 180–187| doi = 10.1016/S1995-7645(13)60020-6 }} 9. ^1 {{cite web | url = http://www.hort.purdue.edu/newcrop/faminefoods/ff_families/amarantaceae.html | title = Famine Foods - AMARANTACEAE | accessdate = 2008-04-20 | author = Robert Freedman | date = 1998-01-20 | publisher = Purdue University| archiveurl= https://web.archive.org/web/20080406012642/http://www.hort.purdue.edu/newcrop/FamineFoods/ff_families/amarantaceae.html| archivedate= 6 April 2008 | deadurl= no}} External links{{Commons category|Aerva lanata}}{{Wikispecies}}
17 : Aerva|Afrotropic ecozone flora|Indomalaya ecozone flora|Flora of East Tropical Africa|Flora of Northeast Tropical Africa|Flora of South Tropical Africa|Flora of South Africa|Flora of West Tropical Africa|Flora of West-Central Tropical Africa|Flora of the Western Indian Ocean|Flora of the Arabian Peninsula|Flora of the Indian subcontinent|Flora of Malesia|Flora of Papua New Guinea|Flora of Queensland|Leaf vegetables|Plants used in traditional African medicine |
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