Curcuma caesia Roxb. is a perennial herb with bluish-black rhizome and reportedly harbors medicinal properties. The powder and essential oil of the rhizome of the herb has potential use in pharmaceutical and cosmetic industries. This important wild turmeric species has also been declared as endangered. Conservation and propagation of the black turmeric species by in vitro techniques is of high importance. | Conservation and in vitro propagation of an endangered wild turmeric (Curcuma caesia Roxb.) species from sub - Himalayan terai region of west bengal
