1. Kalpasi or black stone flower is a species of lichen used as a spice in India. One of the ingredients in East Indian Bottle Masala, the spice is mostly used in dishes like nahari, Bombay biryani, Goan meat stews. 2. What is kalpasi? Kalpasi, is a species of lichen used as a spice in India. The species occurs throughout the temperate Northern and Southern Hemispheres. This is generally used in combination with other spices like cardamom, cloves, bay leaves, cinnamon, nutmeg, star anise, saffron, peppers, etc. for flavor.