Japanese pond rose

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Japanese pond rose
Nuphar subintegerrimum1.jpg

Japanese pond rose ( Nuphar japonica )

Systematics
Class : Bedecktsamer (Magnoliopsida)
Order : Water lilies (Nymphaeales)
Family : Water lily family (Nymphaeaceae)
Subfamily : Nupharoideae
Genre : Lake Roses ( Nuphar )
Type : Japanese pond rose
Scientific name
Nuphar japonica
DC.

The Japanese pond rose ( Nuphar japonica ) is a species of the water lily family (Nymphaeaceae). In Japan it is known as Kōhone or Kawahone ( 河 骨 , 川 骨 ).

features

The Japanese pond rose is a perennial aquatic plant with a rhizome that grows in water depths of 50 to 80 centimeters. The floating leaf blade is more than 2.5 times as long as it is wide, narrowly ovate to elongated and measures 20 to 40 × 5 to 12 centimeters. The flowers are 4 to 8 centimeters in diameter. The nectar leaves are about 8 millimeters long. The scar disc has about 11 rays.

Flowering time is from July to August.

The number of chromosomes is 2n = 34.

Occurrence

The Japanese pond rose, also called Japanese pond mummel , is found in Japan in lakes, ponds and shallow water areas of rivers. They can be found in Korea, Honshu, Kyushu, Shikoku and in southwestern Hokkaido. There is also a cultivated form called the red pond rose ( Nuphar japonica var. Rubrotincta ).

use

The Japanese pond rose is widely used as an ornamental plant in garden ponds and (as a rubrotincta variety ) as an aquarium plant.

literature

  • Eckehart J. Jäger, Friedrich Ebel, Peter Hanelt, Gerd K. Müller (eds.): Rothmaler excursion flora from Germany. Volume 5: Herbaceous ornamental and useful plants . Spectrum Academic Publishing House, Berlin / Heidelberg 2008, ISBN 978-3-8274-0918-8 .
  • Christel Kasselmann : aquarium plants. 2., revised. and exp. Edition. Ulmer Verlag, Stuttgart 1999, ISBN 3-8001-7454-5 , pp. 376 and 462.

Individual evidence

  1. ^ Nuphar japonica at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
  2. ^ Nuphar in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved May 30, 2018.
  3. ^ Hans-Georg Kramer: Plant aquaristics á la Kramer. Tetra-Verlag, Berlin-Velten 2009, ISBN 978-3-89745-190-2 , p. 202 “Red Japanese Teichrose”.

Web links

Commons : Nuphar japonica  - album with pictures, videos and audio files