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Alisma

File:Alisma_plantago-aquatica20090812_259.jpg · Wikimedia Commons · See Wikimedia Commons

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Alisma is a genus of flowering plants in the family Alismataceae, members of which are commonly known as water-plantains. The genus consists of aquatic plants with leaves either floating or submerged, found in a variety of still water habitats around the world (nearly worldwide). The flowers are hermaphrodite, and are arranged in panicles, racemes, or umbels. Alisma flowers have six stamens, numerous free carpels in a single whorl, each with 1 ovule, and subventral styles. The fruit is an achene with a short beak.

Species

GENUS

  1. KingdomPlantae
  2. PhylumTracheophyta
  3. ClassLiliopsida
  4. OrderAlismatales
  5. FamilyAlismataceae
Habitatbrackish, freshwater
Native toAfghanistan, Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Arizona, Arkansas, Assam, Austria
Observations recorded436,604

泽泻属(学名:Alisma)是泽泻科下的一个属,为水生草本植物。该属共有10种,分布于北温带和大洋洲。

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Wikidata facts

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AlismaPlant1.jpg
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taxon name
Alisma
Commons category
Alisma
Commons gallery
Alisma
taxon common name
porečnik
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Alisma is a genus of flowering plants in the family Alismataceae, members of which are commonly known as water-plantains. The genus consists of aquatic plants with leaves either floating or submerged, found in a variety of still water habitats around the world (nearly worldwide). The flowers are hermaphrodite, and are arranged in panicles, racemes, or umbels. Alisma flowers have six stamens, numerous free carpels in a single whorl, each with 1 ovule, and subventral styles. The fruit is an achene with a short beak.

The nineteenth century British art and social critic John Ruskin believed that the particular curve of the leaf-ribs of Alisma represented a model of 'divine proportion' and helped shape his theory of Gothic architecture.

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