Their lush green vegetation is tropical in character, with a profusion of coconut palms, bananas, mangoes, yams, breadfruit and other tropical fruit.
Indigenous forest exists on the higher slopes, where cinnamon and tea are planted.
Isolated coral outcrops speckling a vast area of the Indian Ocean to the southwest of the granitic group. They rise only a few feet above sea level but are covered with rich and dense vegetation due to fertilisation by copious amounts of guano. There is no permanent population. The largest island in either group is Mah , lying 4 S of the equator. Mah is typical of the granitic islands, being mountainous and covered with jungle vegetation.