ingredient information
Senna Stem
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Senna (from Arabic sana), the sennas, is a large genus of flowering plants in the family Fabaceae, subfamily Caesalpinioideae. This diverse genus is native throughout the tropics, with a small number of species reaching into temperate regions. The number of species is usually estimated to be about 260,[1] but some authors believe that there are as many as 350.[2] The type species for the genus is Senna alexandrina. About 50 species of Senna are known in cultivation