The name of the species is still under discussion: according to some it comes from Sennar, a region along the Nile where the first specimen seems to have been found. According to others, however, the term derives from Arabic and literally means "heal", in relation to its many beneficial properties. It includes thousands of quite different species, but all united by a shrubby appearance and a woody caudiciform stem that acts as an important water reserve for the plant. The Senna genus was used since ancient times for its remarkable laxative properties and even today, iin the most advanced countries, its extracts are used as a preparation for intestinal examinations or operations. That's not all: many herbal remedies use Senna infusions for purification purposes, even to purify the skin! Let yourself be enchanted by the ornamental charm of these health-friendly plants!