Question

why anther is called as tetrasporangiate structure?​

Answer 1

Answer:

The anther is four sided. It has 4 locules consisting of 4 microsporangia located in each locule which developes further and becomes the pollen sac. Thus the anther is called as tetrasporangia.

Explanation:

Answer 2

A diathecus anther which has four pollen sacs is called a tetrasporangiate anther.

1. Anthers are part of the male reproductive organ of an angiosperm i.e, the stamen.
2. Anthers generally have two compartments these are called theca and each theca has two microsporangia.
3. An anther is four-sided it has four compartments or locules with four microsporangia in each locule.
4. And because of the presence of four microsporangia, these anthers are called tetrasporangiate.