what is senna source of senna
Bulk Discounts: 5 or more = 10% OFF | 25 or more = 15% OFF. Our source for senna leaf powder is Senna alexandrina, a species of desert plant native to the Mediterranean region that is also known as East Indian Senna, Egyptian Senna and Alexandrian Senna.enna leaf. There are roughly between 250 and 300 species of plants in the senna family, but S. alexandrina is attributed as the source of senna leaf and senna pods. With the exception of Europe, the plant thrives in the tropical and subtropical regions of every continent in the world.