Complex sentence: Differences given are that plantains are more starchy and less sweet and are eaten cooked rather than raw; are larger with thicker skin, which may be green, yellow or black; and can be used at any stage of ripeness.
Split into simpler sentences: Differences given are that plantains are more starchy and less sweet and are eaten cooked rather than raw. They are also said to be larger with thicker skin, which may be green, yellow or black, and able to be used at any stage of ripeness.