The document describes various parts and types of flowers. It defines terms like pistil, stigma, style, ovary, stamen, petal, sepal, complete flower, incomplete flower, perfect flower, imperfect flower. It discusses classification of flowers into complete/incomplete and perfect/imperfect. It also describes types of flowers like monoecious, dioecious, pistillate, staminate. Additionally, it covers floral formulas, parts of an inflorescence like raceme, spike, head, corymb, umbel and types of fruits.