The Tree Zieria or Stinkwood is a small tree or sturdy shrub in the citrus family. A common plant found in eastern Australia. Zieria arborescens subsp. arborescens may grow to 10 metres in height, the habitat is the edges of rainforest or in tall moist eucalyptus forest. Either near the coast or on the adjacent mountain ranges. The leaves and timber have an unpleasant scent, hence the common name. Zieria arborescens subsp. decurrens is only recorded from near Jervis Bay, it grows in drier eucalyptus areas. It features ridged non-warty branches and more hairs on the young branchlets.