''Alnus sieboldiana'' (オオバヤシャブシ in

Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...

) is an

alder Alders are trees comprising the genus ''Alnus'' in the birch family Betulaceae. The genus comprises about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few sp ...

species found on the islands of Honshū,

Shikoku is the smallest of the four main islands of Japan. It is long and between wide. It has a population of 3.8 million (, 3.1%). It is south of Honshu and northeast of Kyushu. Shikoku's ancient names include ''Iyo-no-futana-shima'' (), '' ...

, and Suwanose-jima in Japan.Kew World Checklist of Selected Plant Families
/ref> ''A. sieboldiana'' contains the

ellagitannins The ellagitannins are a diverse class of hydrolyzable tannins, a type of polyphenol formed primarily from the oxidative linkage of galloyl groups in 1,2,3,4,6-pentagalloyl glucose. Ellagitannins differ from gallotannins, in that their galloyl grou ...

alnusiin, tellimagrandin I,

pedunculagin Pedunculagin is an ellagitannin. It is formed from casuarictin via the loss of a gallate group. Natural occurrence Pedunculagin is found in plants in orders in the clade Rosidae. It can be found the pericarp of pomegranates (''Punica granatum ...

casuarinin Casuarinin is an ellagitannin. It is found in the pericarp of pomegranates (''Punica granatum''). It is also found in ''Casuarina'' and '' Stachyurus'' species and in '' Alnus sieboldiana''. It is an isomer of casuarictin. It is a highly active ...

, casuariin and 2,3-O-(S)-hexahydroxydiphenoyl-D-glucose. The Latin specific epithet ''sieboldiana'' refers to German physician and botanist

Philipp Franz von Siebold Philipp Franz Balthasar von Siebold (17 February 1796 – 18 October 1866) was a German physician, botanist and traveler. He achieved prominence by his studies of Japanese flora and fauna and the introduction of Western medicine in Japan. He w ...

(1796–1866).D. Gledhill

References

External links

sieboldiana Endemic flora of Japan Plants described in 1902 Trees of Japan {{Fagales-stub