Nuphar japonica explained

Nuphar japonica, known as East Asian yellow water-lily,^[1] 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, which regarded it as an "unresolved name".

Nuphar japonica is one of three species in the genus Nuphar that is dispersed in the same geographical location of the Saijo Basin, an area in the Hiroshima Prefecture of Japan.^[2]

Natural hybrids

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

Phytochemistry

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,^[3] C, D, E and F.^[4]

See also

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

Notes and References

1. Book: English Names for Korean Native Plants. Korea National Arboretum. 2015. 978-89-97450-98-5. Pocheon. 549. 4 January 2017. Korea Forest Service. dead. https://web.archive.org/web/20170525105020/http://www.forest.go.kr/kna/special/download/English_Names_for_Korean_Native_Plants.pdf. 25 May 2017.
2. Kondo . Toshiaki . Watanabe . Sonoko . Shiga . Takashi . Isagi . Yuji . 2016 . Microsatellite markers for Nuphar japonica (Nymphaeaceae), an aquatic plant in the agricultural ecosystem of Japan . Applications in Plant Sciences . en . 4 . 12 . 10.3732/apps.1600082 . 2168-0450 . 5238700 . 28101435.
3. 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)
4. 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)