Xanthorrhoea arborea a species of grasstree of the genus Xanthorrhoea native to New South Wales and Queensland. It was one of the many species authored by the Scottish botanist Robert Brown.
It grows a trunk up to 2 metres (7 ft) tall. The leaves are dull green to blue-grey, 5 to 8 mm wide. It flowers from January to April, depending on fire.[1]
Xanthorrhoea arborea grows in dry sclerophyll forests around the Sydney Basin on the New South Wales Central Coast westwards over the Great Divide to Rylstone.