Pollen is a powder (typically yellow) containing the microgametophytes of seed plants. These microgametophytes produce the male gametes of a plant. Pollen in angiosperms resides on the stamens of flowers. The goal of the pollen is to move from there to the flower’s pistil, where it will be able to reproduce within the ovule. Pollen can rely on several media for pollination, including pollinators and the wind. Once pollen reaches the pistil of a compatible flower it germinates to form a long tube leading to the ovule. This pollen tube transfers the male gametes to the female gametes and allows the plant to reproduce. In the photo above the yellow powder seen on the stamens of the hibiscus flower is the flower’s pollen.