Compare wind-pollinated and insect-pollinated plants.

Wind-pollinated plants have very small, light pollen, which is formed in large quantities. The flowers do not have nectar and odor, they do not stand out from the surrounding vegetation and are small in size. Flowering occurs before the formation of leaves, which could interfere with the spread of pollen.
In insect pollinated plants, pollen is large and has various devices for fixing insects on the body (outgrowths, hooks, sticky plaque, etc.), there is a lot of it. The flowers contain nectar and / or odor attractive to insects. The flowers are large and bright, for the visual attraction of insects. Flowering does not depend on the foliage of the plant and m. both during their appearance and after.