It is cultivated from Papaver Somniferum commonly known as opium poppy.The white Latex is taken out from the plant and then heated up in a container. Then Calcium Hydroxide Ca(OH)2 is added then after that Ammonium Chloride NH4CL is added. Now the morphine base is ready. Followed by Acetylation. Acetic anhydride is added (CH3CO)2O. After that a little water is added along with heating.Then sodium carbonate is added Na2CO3. The diamorphine Base is now ready.This is called Brown Heroin.