Z. armatum 

 contains a number of medicinal properties, so in view of high demand for this plant, the various pharmaceutical companies generally purchase it from the market. In the 2000, the price value in local market (Pithoragarh and Chamoli district in Kumaun region) was 45Rs per kg, in the same year the price in the plains increased from 150 to 200Rs per kg (Kala et al., 2005)