Bansa/ Vasaka (Adhatoda vasica) is a medicinal shrub that grows to a height of 2-4 feet and is native to Asia. The leaves are long and lance-like with a bitter taste. The leaves are rich in alkaloids, particularly vasicine that is used for preparing expectorants and is also used in different Ayurvedic formulations. The plant is also used as a natural germicide. The shrub is found growing wild in the Morni hills.