Nuphar pumila
Encyclopedia
Nuphar pumila is an aquatic perennial plant from the Nymphaeaceae
Nymphaeaceae
Nymphaeaceae is a family of flowering plants. Members of this family are commonly called water lilies and live in freshwater areas in temperate and tropical climates around the world. The family contains eight genera. There are about 70 species of water lilies around the world. The genus...

 family. It is also known as Least or Dwarf Water Lily because it is the dwarf species of Nupar lutea; while Nupar lutea has a star- shaped form of the stigma disc and glabrous leaf undersides, Nupar pumila has a round stigma disc and the undersides of its leaves are fine- haired. Its flowers bloom from July to August and are typically pollinated by flies.
The plant is more successful in sunny environments, predominantly in lakes, ponds and slow- flowing parts of rivers from Northern and Central Europe to Northern Asia with a few noted habitats in North America; Nuphar pumila is considered endangered in France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, Switzerland
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 and the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.

Description

Nuphar pumila flowers typically have 4-6 petals, are actinomorphic, have many stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...

 and range from yellow to green depending on maturity. Its floating leaves are large and ovate, with pinnate venation, while the submerged leaves are smaller and round; the plant also has a thick creeping rhizome
Rhizome
In botany and dendrology, a rhizome is a characteristically horizontal stem of a plant that is usually found underground, often sending out roots and shoots from its nodes...

.

Distribution

Nuphar pumila can be found in Austria, Switzerland, Czech republic, Germany, Spain, Denmark, Finland, Lithuania, Latvia, Norway, Poland, Sweden, UK and France.

Taxonomy

The Nymphaeaceae
Nymphaeaceae
Nymphaeaceae is a family of flowering plants. Members of this family are commonly called water lilies and live in freshwater areas in temperate and tropical climates around the world. The family contains eight genera. There are about 70 species of water lilies around the world. The genus...

family also known as the water- lily family comprising eight genera and 70 species; Taxonomic synonyms include Nuphar lutea subsp. pumila, Nuphar microphylla, and Nuphar minima.

Nuphar pumila is also known as Bwlyts Lleiaf in Welsh, Konnanulpukka in Finnish, Kleine Teichrose in German, Stulík malý in Czech, and Yellow pond lily.
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