This genus of flowering trees and shrubs also known as gum trees are predominantly distributed in Australia. There are more than 700 species. Some species grow up to 60 m in height.
There are nearly 300 species, commonly known as mountain bells, endemic to southeastern and southwestern Australia, named after Erasmus Darwin, the grandfather of Charles Darwin.
There are more than 100 species, commonly known as featherflowers
There are ca. 70 species, commonly known as paperbarks, honey-myrtles or tea-trees, mostly endemic to Australia.