Plants of the seashores of the tropical Indian and tropical Pacific oceans...
Bikkia (Palau). The flowers of this genus are distinctive in their almost square-like shape created by the four triangular petals fitting together. These plants are usually found growing on limestone along tropical seashores. The 10 or so species occur on islands in the western tropical Pacific.
Mangroves include species from several different families, but this family is unusual in being dominated by these plants that grow along the seashore.
Rhizophora mucronata, 'Loop root', 'Red Mangrove'. The longest mangrove seed.