Give an account of floral diagram.

* Floral diagram provides information about the number of parts of a flower and their arrangement and the relation they have with one another.
* The mother axis represent the posterior side of the flower and is indicated as a dot (or) a circle at the top of the floral diagram.
* Calyx, corolla, androecium and gynoecium are drawn in successive whorls.
* The bract represent the anterior side of the flower and is indicated at the bottom of the floral diagram.