Name the parts of an angiosperm flower in which development of male and female gametophyte

In an angiosperm flower, the male gametophyte (pollen grain) develops in the anther (specifically within the pollen sacs/microsporangia of the anther).

The female gametophyte (embryo sac) develops in the ovule, which is located inside the ovary of the flower.

So, concisely:

• Male gametophyte: develops in the anther.

• Female gametophyte: develops in the ovule.