Rainbow Eucalyptus

Rainbow Eucalyptus

BY : Rhiannon Nevinczenko

The rainbow eucalyptus (pictured) looks like it came straight out of a painting. However, this tree was not painted or made up - it really does have rainbow bark! These trees shed their bark slowly, strip by strip. Once a piece has peeled off, it reveals the layer of young bark that was hiding underneath. The young bark is bright green. Once exposed to air, an oxidation process occurs, slowly turning the bark different colors - starting with shades of purple and blue and then moving into yellows, reds, and oranges. Eventually, the bark is back to brown, ready to repeat the cycle. The result is a trunk that appears as though it has been painted!
Photograph credit: Axel Bührmann via Flickr. Public domain.

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