Alisma lanceolatum
Alisma lanceolatum | |
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Scientific classification![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Monocots |
Order: | Alismatales |
Family: | Alismataceae |
Genus: | Alisma |
Species: | A. lanceolatum
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Binomial name | |
Alisma lanceolatum |
Alisma lanceolatumis a species ofaquatic plantin thewater plantain familyknown by the common nameslanceleaf water plantainandnarrow-leaved water plantain.[3]It is widespread acrossEurope,North Africaand temperateAsia.[4]It is naturalized inAustralia,New Zealand,Oregon,CaliforniaandBritish Columbia.It is considered anoxious weedin some places.[5][6][7][8]
This species is a weed ofrice fieldsin many areas, includingNew South WalesandCalifornia.
InEnglandandWalesit is occasionally locally found, inIrelandit is rare, andScotlandit is very rare.
It is found in mud and in fresh waters.
Description
[edit]![](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e8/AlismaLanceolatum2.jpg/150px-AlismaLanceolatum2.jpg)
This is aperennial herbgrowing from acaudexin the water or mud that typically reaches a height of about 0.7 meters and a spread of 0.25 meters.[9]It produces lance-shapedleaves12 to 20 centimeters long and 4 wide on longpetioles;leaves which remain submerged in water are smaller and less prominently veined. Theinflorescenceis mostly erect and up to half a meter tall.
It produces a wide array of small pinkish-purple three-petalledflowersthat open in the morning, from June until August.[10]Thefruitis a tinyacheneup to 2 or 3 millimeters long clustered into an aggregate fruit of about 20 units. Theseedsare reddish-brown and about 1.5 millimeters long.[4]
Cultivation
[edit]Grows best in water 15-30 centimeters deep in full sun. Suitable forUSDA hardiness zones5–8.[9]
Similar Species
[edit]The water plantainAlisma plantago-aquaticahas acute leaf tips not tapering to a stalk.[11]The flowers of A. plantago-aquatica also typically open in the afternoon, and the leaves are wider.[10]
References
[edit]- ^Akhani, H.; Zehzad, B. (2014)."Alisma lanceolatum".IUCN Red List of Threatened Species.2014:e.T163974A42307131.doi:10.2305/IUCN.UK.2014-1.RLTS.T163974A42307131.en.Retrieved20 November2021.
- ^"NatureServe Explorer".Retrieved2021-04-22.
- ^BSBI List 2007(xls).Botanical Society of Britain and Ireland.Archived fromthe original(xls)on 2015-06-26.Retrieved2014-10-17.
- ^ab"Alisma lanceolatum: Narrow-leaved Water-plantain | NBN Atlas".species.nbnatlas.org.Retrieved2021-04-22.
- ^"World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew".apps.kew.org.Retrieved2017-01-26.
- ^Biota of North America Program
- ^"Alisma lanceolatum in Flora of China @ efloras.org".efloras.org.Retrieved2017-01-26.
- ^"Alisma lanceolatum in Flora of North America @ efloras.org".efloras.org.Retrieved2017-01-26.
- ^abShoot."Alisma lanceolatum Narrow-leaved water plantain Care Plant Varieties & Pruning Advice".shootgardening.co.uk.Retrieved2021-04-22.
- ^ab"Irish Wildflowers - Narrow-leaved Water-plantain, Alisma lanceolatum".irishwildflowers.ie.Retrieved2021-04-22.
- ^Rose, Francis(2006).The Wild Flower Key.Frederick Warne & Co. pp. 483–484.ISBN978-0-7232-5175-0.
External links
[edit]![](https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
- Jepson Manual Treatment
- Weeds AustraliaAlisma lanceolatum
- Calflora taxon reportAlisma lanceolatum
- Altervista Flora Italiana, Mestolaccia lanceolata,Alisma lanceolatum
- Flore Alpes, Alisma lancéolé,Alisma lanceolatum
- Le Jardin du Pic Vert, Plantain d'eau à feuilles lancéolées,Alisma lanceolatum
- Flora On Portugal,Alisma lanceolatum
- New Zealand Plant Conservation Network,Alisma lanceolatum
- Wilde Plante in Nederland en Belgie, Slanke waterweegbree (Middelste waterweegbree), Ier kikkertsblêd, Narrow-leaved Water-plantain, Plantain lancéolé (Plantain d'eau lancéolé), Lanzettblättriger Froschlöffel,Alisma lanceolatumArchived2014-05-12 at theWayback Machine
- IUCN Red List least concern species
- NatureServe apparently secure species
- Alisma
- Freshwater plants
- Plants described in 1796
- Flora of the Canary Islands
- Flora of Switzerland
- Flora of Portugal
- Flora of Russia
- Flora of Central Asia
- Flora of Siberia
- Flora of China
- Flora of Asia
- Flora of Europe
- Flora of Australia
- Flora of New Zealand
- Flora of California
- Flora of British Columbia