What is the source of heroin ?

Inflorescence of poppy plant . Root of poppy plant. Latex of poppy plant. Stem of Cannabis sativa .

Latex of poppy plant.

Heroin commonly called smack is chemically diacetylmorphine which is a white, odourless, bitter crystalline compound. This is obtained by acetylation of morphine which is extracted from the latex of poppy plant Papaver somniferum .