Page 143 - Pharmacognosy 2 PG303
P. 143
Pharmacognosy-2 (PG303) Level 2 Clinical Pharmacy-Pharm D
Medicinal Herbs
Herb Lobelia Mentha Thymus Hyoscyamus Cannabis
(Indian tobacco) (peppermint) (Egyptian henbane) (Indian hemp, Hashish)
Origin (Asthma weed, American Dried leaves and Dried leaves and flowering tops Dried leaves and flowering Dried flowering and fruiting
Lobelia) flowering tops of Mentha of Thymus vulgaris Linne. tops of Hyoscyamus muticus tops of pistillate plants of
Dried aerial parts of Lobelia piperata family Labiatae family: Labiatae (Lamiaceae) L. Family: Solanaceae. Cannabis sativa Linne. Family:
inflata L. family (Lamiaceae). Cannabinaceae.
Companulaceae, Collected
towards the end of the
flowering stage.
Macroscopical Angular, winged (2-5) and Quadrangular Quadrangular. Cylindrical, hollow Cylindrical, numerous bracts.
character very hairy.
1.Stem
Oder Aromatic with cold Agreable aromatic Narcotic odor Narcotic odor
Taste sensation Pungent aromatic Better saline taste with very slight taste
2.Leaves Irregular, Crenate- dentate Opposite decussate, Opposite decussate, Entire Rhomboidal Entire margin. Types of Bracts:
margin serrated margin. margin. 1. Simple and sessile: entire
With scattered stiff hairs margin.
especially along the margin. 2. Palmately compound: entire
margin.
106