Leaves gather sunlight and carry out photosynthesis. Large, flat, flexible, green leaves are called foliage leaves. Gymnosperms, such as conifers, cycads, Ginkgo, and gnetophytes are seed-producing plants with open seeds.
Leaves capture sunlight and perform photosynthesis to create energy.  Large, broad, flexible leaves are known as foliage leaves. Gymnosperms, including conifers, cycads, Ginkgo, and gnetophytes, produce seeds without a fruit.