- Morphological Classification: Groups crude drugs by plant parts like leaves, roots, seeds, and flowers
- This classification is based on the plant part used or the morphological characteristics of the drug.
- It helps in the identification of crude drugs.
Categories and Examples:
| Category | Examples |
| Leaf drugs | Senna, Tea, Digitalis |
| Bark drugs | Cinchona, Cinnamon |
| Root drugs | Rauwolfia, Liquorice |
| Flower drugs | Clove, Saffron |
| Seed drugs | Nux vomica, Isabgol |
| Fruit drugs | Fennel, Amla |
| Whole plant drugs | Ephedra, Lobelia |
Advantages:
- Useful for easy identification of drugs.
- Helps in understanding plant-based drug sources.
Disadvantages:
- Does not consider the chemical constituents or therapeutic effects of the drugs.
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