A typical anther of a stamen contains four microsporangia where the microsporangia form sacs or pockets in the anther then these undergo meiosis to form haploid spores (the number of complete sets of chromosomes in a cell).
A typical anther of a stamen contains four microsporangia where the microsporangia form sacs or pockets in the anther then these undergo meiosis to form haploid spores (the number of complete sets of chromosomes in a cell).