This grower is sure of this plant identification.
RAINBOW EUCALYPTUS! newly sprouted seedlings in root training plugs. ready in next couple of weeks. will consider swap for anything tropical, rare or unusual.
Mindanao gum, Rainbow gum, Rainbow eucalyptus
Eucalyptus deglupta (Mindanao gum). A large, fast-growing, evergreen tree with flaking bark the colours of the rainbow. The inner bark is bright green, but matures to dark green, with striking blue, orange, purple and maroon tones.
Leaves are lance-shaped, but become more ovate with age. Pale yellow flowers in spring/summer are followed by dark brown fruit.
Summer patio and winter conservatory in UK, as not frost hardy.
Highly distinctive ornamental tree in tropical and sub-tropical gardens and parks. Used as pulp wood in paper manufacture.