Leionema elatius, commonly known as tall phebalium, is a shrub species that is endemic to the states of New South Wales and Queensland in Australia. It grows to between 2 and 5 metres in height, with leaves that are 15–35 mm long and 3–10 mm wide. White to pale yellow flowers are produced in spring. Two subspecies are recognised: \n* L. elatius subsp. beckleri \n* L. elatius subsp. elatius