In Asteraceae, a set of bracts are found as a whorl surround the base of the inflorescence, known as involucres. These bracts are also known as involucral bracts. In the present work bracts of 20 tribes of the family Asteraceae have been presented. On the basis of present 1445 studied genera, The classification of Compositae can be updated on the basis of taxonomic studies of variation of bracts.This type of systematic study is a valuable tool for plant taxonomists. This book is neither a conventional text book nor for only examination purposes. It is a little effort to develop interest to...