What part of the plant is known for producing pollen?

The correct choice is the anther, which is a crucial part of the plant reproductive system. The anther is specifically located at the tip of the stamen, which is the male reproductive organ of flowering plants. Its primary function is to produce and release pollen, which contains the male gametes necessary for fertilization of the ovule in the female part of the plant.

Pollen from the anther is dispersed by various means, including wind, insects, or water, facilitating cross-pollination, which is critical for genetic diversity and successful reproduction in plants. Understanding the role of the anther in pollen production helps highlight its importance in the plant life cycle and in the broader context of agriculture and plant breeding.

The filament, while an integral part of the stamen, acts mainly as a support structure holding the anther aloft but does not produce pollen itself. The style is part of the female reproductive system, connecting the ovary to the stigma, where pollen lands but does not generate pollen either. Ovules are the structures within the ovary that develop into seeds after fertilization, thus they are involved in the reproductive cycle subsequent to pollen production.