Matelea (Milkvine) is a genus of shrub in the family Apocynaceae. They are native to The Neotropics, The Contiguous United States, Puerto Rico, and U.S. Virgin Islands.
Definition: An aquatic biome that comprises systems of open-ocean and unprotected coastal habitats, characterized by exposure to wave action, tidal fluctuation, and ocean currents as well as systems that largely resemble these. Water in the marine biome is generally within the salinity range of seawater: 30 to 38 ppt.