In this article we will discuss about the parts and functions of a flower. Parts of a Typical Flower: A typical flower consists four whorls of floral appendages, attached on the receptacle, i.e., calyx, corolla, androecium and gynoecium. Of these, the two lower whorls, i.e., calyx and corolla are sterile and considered as non-essential/accessory/helping whorls and the two upper whorls, [...]
In this article we will discuss about the reproductive structures of a flower with the help of suitable diagrams. Male Gametophyte (Stamen, Microsporangium and Pollen Grain): Stamen: It is the male reproductive unit of angiosperm. It consists of two parts: (i) The long and slender stalk called the filament. (ii) The terminal generally bi-lobed structure called the anther. The proximal [...]
Soon after the double fertilization, the flower begins to lose its shine. The major events in post-fertilisation of a flower include development of endosperm and embryo, maturation of ovules into seeds and ovary into fruit. 1. Development of an Endosperm: Endosperm development precedes embryo development. The primary endosperm cell divides repeatedly to form a triploid endosperm tissue. In most of [...]