What is the biological role of the inflorescence?

Inflorescences are usually found in those plants that are pollinated by the wind. This increases the chance of pollen falling on the pistil. These flowers are usually not bright colors that do not attract insects. Some inflorescences are pollinated by insects, and their large size attracts bees and other pollinators. Inflorescences have some advantages over single flowers. Also, they usually grow on trees. Inflorescences usually do not grow on herbaceous plants, there are only a small number of such species. They are much more common on trees and bushes.