Petalstigma pubescens: Quinine Tree

Petalostigma pubescens

Also known as the Quinine Bush

A small hardy evergreen common bush or rainforest native tree in Australia, and Papua New Guinea. This small tree has a dense canopy with drooping branches and can obtain a height of 5-8 meters, though exceptions have gone to 12 meters tall. Foliage may be poisonous. Produces an orange fruit.


A natural bitter, the bark and fruits have been used to treat malaria, toothaches, and sore eyes according to folklore. The wood has been used as fuel. In landscaping, it is used for infilling, revegetation, screening, and windbreaks.


  • Territory Native Plants n.d. “Petalostigma pubescens (Quinine Bush)” Territory Native Plants. website referenced 6/23/21 at
  • n.d. “Petalostigma pubescens” Useful Tropical Plants. Website referenced 6/23/21 at
  • Wikipedia n.d. “Petalostigma pubescens” website referenced 6/23/21 at