Taxonomical Classification

• This classification follows botanical and zoological taxonomy, grouping drugs based on their family, genus, and species according to the classification system of Carl Linnaeus.

Examples

A) Family: Solanaceae

• Atropa belladonna (Belladonna)

• Datura stramonium (Datura)

• Hyoscyamus niger (Henbane)

B) Family: Papaveraceae

• Papaver somniferum (Opium Poppy)

Advantages

• Helps in identifying related species that may have medicinal value.

• Provides a scientific basis for classification.

Disadvantages of Taxonomical Classification

• Requires botanical knowledge to understand plant families.

• Not useful for pharmacists and medical professionals who are more concerned with therapeutic effects.