Rhizophora is a genus of tropical mangrove trees, sometimes collectively called true mangroves. The most notable species is the red mangrove (Rhizophora mangle) but some other species and a few natural hybrids are known. Rhizophora species generally live in intertidal zones which are inundated daily by the ocean. They exhibit a number of adaptations to this environment, including -pneutomatophores that elevate the plants above the water and allow them to respire oxygen even while their lower roots ...