Eucalyptus wilcoxii, the Deua Gum is mountain eucalyptus of south eastern Australia. Usually a multi-stemmed mallee or small tree reaching 15 metres in height. The original specimen was collected by D.J. Boland on the northern slope of Mother Woila Mountain in Deua National Park, New South Wales in March 1982. The habitat is steep slopes; restricted to the headwaters of the Tuross River and Moruya River in Deua National Park and Wadbilliga National Park. A rare plant, with a ROTAP rating of 2RCat