Complex sentence: It is normally about 5 meters tall, but in good conditions it may reach a height of up to 10 m with a trunk diameter of 1 m. On the Cape Peninsula they are typically much smaller.
Split into simpler sentences: It is normally about 5 meters tall, but in good conditions it may reach a height of up to 10 meters, with a trunk diameter of 1 meter. However, on the Cape Peninsula they are typically much smaller.