Alisma lanceolatum
| Alisma lanceolatum | |
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| File:Alismalanceolatum.jpg | |
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A. lanceolatum
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| Binomial name | |
| Alisma lanceolatum |
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Alisma lanceolatum is a species of aquatic plant in the water plantain family known by the common names lanceleaf water plantain and narrow-leaved water plantain.[2] It is widespread across Europe, North Africa and temperate Asia. It is naturalized in Australia, New Zealand, Oregon, California and British Columbia. It is considered a noxious weed in some places.[3][4][5][6]
This species is a weed of rice fields in many areas, including New South Wales and California.
In England and Wales it is occasionally locally found, in Ireland it is rare, and Scotland it is very rare.
It is found in mud and in fresh waters.
Description
This is a perennial herb growing from a caudex in the water or mud. It produces lance-shaped leaves 12 to 20 centimeters long and 4 wide on long petioles; leaves which remain submerged in water are smaller and less prominently veined. The inflorescence is mostly erect and up to half a meter tall.
It is a wide array of small pink-petalled flowers, which open in the morning, from June until August. The fruit is a tiny achene up to 2 or 3 millimeters long clustered into an aggregate fruit of about 20 units.
Similar Species
The water plantain Alisma plantago-aquatica has acute leaf tips not tapering to a stalk.[7]
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Kew World Checklist of Selected Plant Families
- ↑ Biota of North America Program
- ↑ Flora of China v 23 p 88, 膜果泽泻 mo guo ze xie Alisma lanceolatum
- ↑ Flora of North America v 22, Alisma lanceolatum Withering, An Arrangement of British Plants (ed. 3). 2: 362. 1796.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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External links
- Jepson Manual Treatment
- USDA Plants Profile Alisma lanceolatum
- Weeds Australia Alisma lanceolatum
- Calflora taxon report Alisma 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 lanceolatum
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- Pages with broken file links
- IUCN Red List least concern species
- Alisma
- Invasive plant species
- Freshwater plants
- Plants described in 1796
- Flora of the Canary Islands
- Flora of Switzerland
- Flora of Russia
- Flora of Central Asia
- Flora of Siberia
- Flora of China
- Flora of Asia
- Flora of Europe
- Flora of Australia
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