caption: The image shows a cross section of a plant stem with a green background, revealing the intricate details of a sporophyte. The stem is composed of a variety of green leaves, each with its own unique pattern of veins and ridges. The leaves are arranged in a symmetrical pattern, with some overlapping each other, and the stem is surrounded by a thin, white line that runs along the length of the stem. The background is a light green color, providing a stark contrast to the vibrant green of the leaves.