A Preliminary Pharmacognostical report on the Stem bark of Cassia fistula Linn.

Plan: The present study on the stem bark of Cassia fistula Linn for laying down preliminary Pharmacognostical identification standards Prologue: Cassia fistula Linn .is known as Aragvadha in Ayurveda is an important medicinal plant belonging to family Caesalpiniaceae. The stem bark is anti dysenteric, laxative and diuretic.Outcome: The diagnostic features are the presence of starch grains, stone cells, crystalliferous phloem fibers, uni or biseriate medullary rays.