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Senna reticulata
''Senna reticulata'', the ''mangerioba grande'' or ''maria mole'' in Portuguese, is a pioneer tree species found on highly fertile floodplains in South America. It has some medicinal uses, but is regarded by farmers as a noxious weed, named ''matapasto'' (meadow killer) due to its ability to grow fast and outshade neighbouring plants.
It is used in the local folk medicine for liver problems and rheumatism. 1,3,8-Trihydroxyanthraquinone is an organic compound found in alcoholic extracts of the wood of the plant. The extract also contains, among other products chrysophanol (1,8-dihydroxy-3-methylanthraquinone), physcion (1,8-dihydroxy-3-methyl-6-methoxyanthraquinone), aloe-emodin (3-carbinol-1,8-dihydroxyanthraquinone), lunatin (3-methoxy-1,6,8-trihydroxyanthraquinone), emodin (6-methyl-1,3,8-trihydroxyanthraquinone), and chrysophanol-10,10'-bianthrone.〔Santos Rogério Nunes dos, Silva Maria Goretti de Vasconcelos and Braz Fihlo Raimundo (2008). ''Constituintes químicos do caule de Senna reticulata Willd. (Leguminoseae)'' ("Chemical constituents isolated from the wood of Senna reticulata Willd") Química Nova (), volume 31 issue 8, pages 1979-1981 (in Portuguese). "It is the first report of 1,3,8-trihydroxyanthraquinone and 3-methoxy-1,6,8-trihydroxyanthraquinone in higher plants."〕
The xanthonoid cassiaxanthone〔Cassiaxanthone, a hydroxyxanthone dicarboxylic acid from Cassia species. M. S. R. Nair, T. C. McMorris and Marjorie Anchel, Phytochemistry, Volume 9, Issue 5, May 1970, Pages 1153-1155, 〕 can be found in ''S. reticulata'' as well as the anthraquinone rhein.〔(Identification of the antibiotic substance from Cassia reticulata as 4,5-Dihydroxyanthraquinone-2-carboxylic acid. Marjorie Anchel, 1948 )〕
==Growth==
Senna reticulata has a "unique capacity to colonize open areas". It is extremely flood tolerant, fast growing and is difficult to eradicate, the recommended method being to cut it at the base, burn the stump and then flood the roots.〔http://link.springer.com/article/10.1007%2FBF02858077〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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