Medicinal and Aromatic Crops

Origin and distribution

1. There are two sources of senna drug namely, Cassia angustifolia Vahl, and C. acutifolia Del., C. angustifolia commonly called Thirunelveli senna, is indigenous to Somalia, southern Arabia, part of Sindh and Kutch area of Gujarat.
2. C. acutifolia commonly known as Alexandrian senna is indigenous to Sudan and Sinai. It is commonly cultivated in Sudan and Egypt. C.italica and C.obavata also posses a fair percentage of Anthraquinone compounds.