Nuphar japonica

Nuphar japonica
Nuphar japonica (syn. N. subintegerrimum) Botanical Gardens Faculty of Science Osaka City University, Osaka, Japan
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
Order:	Nymphaeales
Family:	Nymphaeaceae
Genus:	Nuphar
Species:	N. japonica
Binomial name
Nuphar japonica DC., 1821
Synonyms
Nuphar japonicum Nymphaea japonica (DC.) G.Lawson Nymphaea japonica (DC.) Kuntze Nuphar japonica f. rubrotincta (Casp.) Kitam. Nuphar japonica subvar. flava Casp. Nuphar japonica subvar. lutea Casp. Nuphar japonica subvar. rubrotincta Casp. Nuphar japonica var. crenata Casp. Nuphar japonica var. rubrotincta (Casp.) Ohwi Nuphar japonica var. stenophylla Miki Nuphar japonica var. subintegerrima Casp. Nuphar subintegerina Miki Nuphar subintegerrima (Casp.) Makino Nymphaea lutea Thunb., nom. illeg., non L. Nymphozanthus japonicus (DC.) Fernald Nymphozanthus subintegerrimus (Casp.) Fernald

Nuphar japonica is an aquatic plant species in the genus Nuphar found in Japan and the Korean Peninsula. It is endangered in Russia. The species was not accepted by The Plant List as of November 2013, which regarded it as an "unresolved name".^[1]

Nuphar × saijoensis (Shimoda) Padgett is a hybrid between N. japonica and N. pumila.

N. japonica contains the alkaloids nupharidin, 1-desoxynupharidin, nupharamine, methyl and ethyl esters of nupharamine. The fruits also contains the alkaloids (0.06%) nupharine, beta-nupharidin, desoxynupharidin. In the rhizomes are found the steroid sitosterol, alkaloids acids, higher fatty acids (palmitic, oleic acid) and the ellagitanins nupharin A, B,^[2] C, D, E and F.^[3]

See also

• List of freshwater aquarium plant species
• List of the vascular plants in the Red Data Book of Russia

References

1. "Nuphar japonica", The Plant List, retrieved 2013-11-14
2. Tannins and Related Compounds. LXXV. : Isolation and Characterization of Novel Diastereoisomeric Ellagitannins, Nupharins A and B, and Their Homologues from Nuphar japonicum DC. Chemical & pharmaceutical bulletin, 25 January 1989, volume 37, issue 1, pages 129-134 (abstract)
3. Tannins and Related Compounds. LXXIX. Isolation and Characterization of Novel Dimeric and Trimeric Hydrolyzable Tannins, Nuphrins C, D, E and F, from Nuphar japonicum DC. Chemical & pharmaceutical bulletin, 25 June 1989, volume 37, issue 7, pages 1735-1743 (abstract)

External links