Rainbow Eucalyptus trees on Maui, Hawaii The phenomenon is caused by patches of bark peeling off at various times and the colors are indicators of age. A newly shed outer bark reveals bright greens which darken over time into blues and purples and then orange and red tones
"Rainbow Eucalyptus" (Eucalyptus deglupta) Hana, Maui, Hawaii ~Photography Chad Podoski Eucalyptus deglupta - commonly known as the Rainbow Eucalyptus, the Mindanao Gum, or the Rainbow Gum. It is the only Eucalyptus species found naturally in the Northern Hemisphere. Its natural distribution spans New Britain, New Guinea, Ceram, Sulawesi and Mindanao. The unusual phenomenon is caused by patches of bark shedding at different times.