Morphological Classification of Crude drug

In this system the drugs are arranged according to the morphological or external characters of the plant parts nor animal parts i.e. ( which part of the plant is used as a drug e.g. ( leaves , roots , stems , …etc ).

The drugs which obtained from the dried parts of the plants & containing cellular tissues are called as ( Organized Drugs ) e.g. ( Rhizomes , barks , leaves , fruits , entire plants , hairs ,& fibers ) .

The drugs which are prepared from plants by some intermediate physical processes such as ( incision , drying or extraction with a solvent and not containing any cellular plant tissues are called as ( unorganized drugs ) such as ( Aloe juice , opium latex , agar , gambir , gelatin , tragacanth , benzoin , honey , beeswax , lemon grass oil ..etc.).

Organized Drugs :

Woods – Quassia , Sandalwood , Red Sandalwood .

Leaves – Digitalis, Eucalyptus, Mint, Senna, Spearmint, Squill, Coca, Hyoscyamus, Belladonna , Tea.

Barks – Cascara , Cassia , Cinchona , Wild cherry .

Flowering parts – Clove , Pyrethrum , Saffron , Santonica , Chamomile .

Fruits – Anise , Bitter orange peel , Capsicum , Caraway , Cardamom , Colocynth , Coriander , Cumin , Dill , Fennel , Lemon peel , Senna pod , Star anise ,

Seeds – Bitter almond , Black Mustard , Cardamom , Colchicum , Linseed , Nux vomica , Psyllium , White mustard .

Roots & Rhizomes – Aconite , Colchicum corm , Garlic , Gentian , Ginger , Ginsing , Glycyrrhiza , Podophyllum , Rauwolfia , Rhubarb , Turmeric , Valerian , Squill .

Plants & Herbs – Ergot , Ephedra , Yeast , Vinca , Datura .

Hair & Fibers - Cotton , Hemp , Jute , Silk , Flax .

Un - Organized Drugs :

Dried latex – Opium , Papain .

Dried Juice – Aloe , Kino .

Dried extracts – Agar , Black catechu , Pale catechu , Pectin .

Waxes – Beeswax , Spermaceti , Carnauba wax .

Gums – Acacia , Guar gum , Indian gum ,

Resins – Asafetida , Benzoic , Colophony , Mastic , Coal tar , Tar , Tolo balsam , Storax , sandarac .

Volatile oil – Turpentine , Anise , Coriander , Peppermint , Rosemary , Sandalwood , Cinnamon Lemon, Caraway , Dill , Clove , Eucalyptus , Nutmeg , Camphor .

Fixed oils & Fats – A rachis , Castor , Coconut , Cotton seed , Linseed , Olive , Sesame , Almond , Theobroma , Cod – liver , Halibut liver , Kokum butter .

Animal Products – Bees wax , Cod – liver oil , Gelatin , Halibot liver oil , Honey ,

Shark liver oil , Shellac , Spermaceti wax , Wool fat , Musk , Lactose .

Fossil organism & Minerals – Bentonite , Kaolin , Kiesslguhr , Talc .