Boswellia Serrata (kundru)
Scientific Name : Gum Calles
Part Used
Root
Habitat
Found In Central India.
Medicinal Value
Chiefly used in incense volatile oile oleo, gum resin, similar to Turpentine Oil. Considered Expectorant Diuretive and stomach ache and used In diarrohea, dysentery and joint pains

Asphaltum (shilajeet)
Scientific Name: Asphalt Concrete.
Parts used
The rhizomes or underground stems of picrorhiza are used.
Habitat
The herb originated in and continues to grow primarily in the Himalayan mountains.
Medicinal Value
Bitter Rhizomes Having Tonic As Efficacious Gentian Contains Picrorhizin, Kutkin Cholagogue And Stomachic In Large Doses Effective In Dropsy