Complex sentence: Jandía is an area and a peninsula covering the whole southwestern part of the island of Fuerteventura in the Canary Islands forming the westernmost and the southernmost points on the island and is mainly mountainous and rocky and has less vegetation including palm trees and some plants.
Split into simpler sentences: Jandía is an area and a peninsula covering the whole southwestern part of the island of Fuerteventura in the Canary Islands forming the westernmost and the southernmost points on the island. It is mainly mountainous and rocky and has less vegetation than some areas of the island, including palm trees and some plants.