Complex sentence: Very similar to the Spotted Gum, but with adult leaves 15 to 28 cm long, and 2.5 to 4.5 cm wide Gumnuts in the typical urn shape of most Corymbias, 12 to 20 mm long, and 10 to 16 mm in diameter.
Split into simpler sentences: Very similar to the Spotted Gum, but with adult leaves 15 to 28 cm long, and 2.5 to 4.5 cm wide. Its gumnuts are, in the typical urn shape of most Corymbias, 12 to 20 mm long and 10 to 16 mm in diameter.