Cornus is a genus of flowering plants commonly known as dogwoods. It includes about 30 species, which are found in various regions around the world, particularly in North America and Asia. Dogwoods are known for their attractive flowers, distinctive bark, and vibrant fall foliage. They can be shrubs or small trees and are often used in landscaping for their ornamental value. The flowers of Cornus are typically small and clustered, surrounded by larger bracts that resemble petals. Some species, like Cornus florida, are famous for their showy spring blooms. Additionally, many dogwoods produce berries that are enjoyed by birds and other wildlife, contributing to their ecological importance.