Foliar Micromorphological Evaluation of Cardiospermum halicacabum L. – An Important Medicinal Climber

Method: The foliar micromorphological parameters such as orientation, stomatal types and morphology; density, distribution of trichomes and stomata; stomatal index and trichome types, paradermal sections were obtained manually by the standard method. The leaves were excised and fixed primarily in formalin, acetic acid and ethyl alcohol solution; cleared in 70% ethanol, bleached with 5% NaOH and rinsed in distilled water. The cleared leaves were used for the study of venation pattern, vein-islets, veinlet terminations and arrangement of crystals.