Maractus is a Grass-type region-exclusive Pokémon from the Unova region. It does not evolve into nor from any other Pokémon. It is only available in the Southern United States, Mexico, Central America, the Caribbean, and South America.
Maractus - Cactus Pokémon
Arid regions are their habitat. They move rhythmically, making a sound similar to maracas.