Corymbia papuana, formerly (and sometimes still) known as Eucalyptus papuana, is an evergreen tree that is native to New Guinea

New Guinea

New Guinea is the world's second largest island, after Greenland, covering a land area of 786,000 km2. Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago...

 and northern Australia.

Classification

In the 1990s, Ghost Gums, along with the Bloodwood

Bloodwood

Bloodwood has several meanings. It is the name of a dark red wood, from South America. It is also a common name for several unrelated groups of trees, for instance:* Brosimum paraense, a tree found in Central and South America...

s, were reclassified from the Eucalyptus

Eucalyptus

Eucalyptus is a diverse genus of flowering trees in the myrtle family, Myrtaceae. Members of the genus dominate the tree flora of Australia...

 genus to the Corymbia

Corymbia

Corymbia is a genus of about 113 species of tree that were classified as Eucalyptus species until the mid-1990s. It includes the bloodwoods, ghost gums and spotted gums. The bloodwoods had been recognised as a distinct group within the large and diverse Eucalyptus genus since 1867...

, though not all botanists agree. This reclassification was based on the work of two botanists, Ken Hill and Lawrie Johnson, who worked at the National Herbarium of New South Wales in Sydney.