Callistemon purpurascens (Myrtaceae): A new and threatened species from the Blue Mountains region of New South Wales, Australia

Callistemon purpurascens S.M.Douglas S.David is described from the Blue Mountains region in Central Tablelands Botanical Division of New South Wales, Australia. The conservation status of this taxon is considered, with the conclusion being that it should be considered for listing as Critically Endangered under both state and Commonwealth legislation.