 The floodplains of the main rivers consist of alluvial grassland and marshes.The Zambezi Delta is a vast marshy area covering with grasses and "Borassus" palms, extending for along the coast.A fringe of mangroves can be found along much of the coast, the trees growing to a height of , and there are extensive areas of mangroves in the Zambezi and Messalo River deltas where the height of the trees can reach .