To commemorate their participation at the Philakorea 2002 World Stamp Exhibition, Iran Post issued a set of four stamps series of poisonous herb plants on August 2, 2002.
The herb plants depicted on issued stamp are Hyoscyamus muticus, Frittillaria, Calotropis procera, and Ranuculus. All stamps have same face value.
Hyoscyamus muticus
Hyoscyamus muticus is poisonous herb whose leaves are a source of hyoscyamine. Hyoscyamus is a small genus of flowering plants in the nightshade family, Solanaceae. The eleven species it contains are known generally as the henbanes. All of them are toxic. Hyoscyamus muticus is one of the species of Hyoscyamus genus.
