Included in the division are most shrubs and herbs and most familiar trees except pines and other conifers. Gymnosperms are woody plants differing from angiosperms in that their seeds are on seed scales arranged in cones.
Gymnosperms are the most ancient seed plants.
Many common varieties, such as spruce, fir, and pines, have needle-shaped foliage. However, most evergreens are of the broad-leaved variety. Mistletoe and holly are examples of broadleaved evergreens. Illinois state tree - white oak. All of these trees have leaves and branches that are arranged opposite each other.