Complex sentence: Up to 30 metres tall and a trunk diameter of 75 cm. The trunk is mostly straight, unbuttressed and cylindrical, smooth-barked on young trees but fissured, scaly and rough-barked on larger trees.
Split into simpler sentences: Up to 30 metres tall and a trunk diameter of 75 cm. The trunk is mostly straight, unbuttressed and cylindrical. Smooth barked on young trees but fissured, scaly and rough barked on larger trees.