Senna is an herbal medicine made from the leaves, flowers, and fruit of a large group of flowering plants in the legume family. Extracts and teas made from senna plants have long been used in traditional herbal. Originally from Egypt, senna is now grown worldwide, including countries like India and Somalia.

Senna is also known as Alexandrian Senna, Alexandrinische Senna, Casse, Cassia acutifolia, Cassia angustifolia, Cassia lanceolata, Khartoum Senna, Sen, Sena Alejandrina, Séné, Séné d'Alexandrie, Séné d'Egypte, Séne d'Inde, Séné de Tinnevelly, Senna alexandrina amongst others.