A fir cone is the reproductive structure of a fir tree, which belongs to the Pinaceae family. These cones are typically woody and can vary in size, shape, and color, depending on the species. They play a crucial role in the tree's life cycle by producing seeds that can grow into new trees. Fir cones are usually found hanging from the branches of the tree and can be either male or female. Male cones are smaller and produce pollen, while female cones are larger and contain seeds. Once the seeds are mature, the cones open up to release them, allowing for the propagation of new fir trees.