Acrophyllum australe is a small woody shrub to approximately 2 metres with glossy serrated leaves and small white flowers in November and December. It is listed as Vulnerable in the wild.
It is part of the Cunoniaceæ family. This includes plants such as the NSW Christmas tree, Ceratopetalum gummiferum and the Coachwood, Ceratopetalum apetalum.
Like many of the rarer species in the Blue Mountains region, this grows in moist gullies and is often found growing amongst thick mosses.