Sal Seeds / Indian Dammer (Shorea Robusta Seeds) Sal Seeds / Indian Dammer (Shorea Robusta Seeds) oil is an edible oil extracted from the seeds of Shorea robusta. Shorea robusta is known as the Sal tree in India. Sal is indigenous to India and occurs in two main regions separated by Gangetic plain, namely the northern and central Indian regions. The plant belongs to the Dipterocarpaceae botanical family.