I would love to have an Australian native tree that looks like this photo.
These trees are not actually "Gum trees". The following information helps to explain a little more about these trees.
"Several species in the Corymbia genus, which is closely related to eucalyptus, are also called ghost gum. These were part of the Eucalyptus genus until they were reclassified in the 1990s. Because they are so closely related to eucalyptus, they are commonly called "gums," just like eucalyptus."
Information about the tree:
These beautiful trees grow in the centre of Australia. I photographed this tree at Palm Valley in the Northern Territory. This particular tree was growing out of a cliff face. When you see the rock where these trees grow, you wonder how they can get enough water to live. Yet, this tree was very healthy.
These trees are quite often found in Albert Namatjira's paintings.
If you want to see some of his work, have a look at the link below.
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This was posted on ausbonsai by Joel, I'll bet everyone knew about this
Although the Corymbia were split from Eucalyptus due to distinct morphological characters, more recent genetic work has shown that they are nested within the Eucalyptus genus. That is to say that they are more closely related to some Eucalyptus species than some of the other Eucalyptus are. This is what we call paraphyly and is a major issue in taxonomy where we strive to create monophyletic groups I.e. group things by relatedness, not how similar they appear.
Regardless of what you call them, they are a beautiful group of species that can offer endless inspiration for the Australian native bonsai enthusiast.