This genus is composed of small leaved, evergreen shrubs and trees which are endemic to the south-west of Western Australia, with one species endemic to Kakadu National Park in the Northern Territory ("R. punicea").
This genus is composed of small leaved, evergreen shrubs and trees which are endemic to Australia. Five of the six species are endemic to the south-west of Western Australia, the other species endemic to Kakadu National Park in the Northern Territory ("R. punicea").