1. Have adapted their petal sizes, shapes and colors in different ways to attract particular pollinators.
2. Produce various scents and types of nectar to attract their pollinators.
3. Their reproductive structures (Stamen Pistil) are ideally positioned to enable pollen to be easily transferred to and from visiting insects.
4. Their pollen grains have a coarse surface or are covered by a sticky oily fluid so they can attach themselves to the pollinator.