Genus hydrangea is a flowering plant species native to Asia and the Americas. This species is known for its beautiful blooms in shades of pink, blue, purple, and white. There are several synonyms for this species, including the 'hortensia,' 'mophead hydrangea,' and 'bigleaf hydrangea.' The 'hortensia' is the most commonly used, while the 'mophead hydrangea' and 'bigleaf hydrangea' refer to specific varieties of the Genus hydrangea. These synonyms are often used interchangeably to describe different types of this popular flowering plant. Regardless of the name, the Genus hydrangea is a versatile and long-lasting plant that can add a touch of beauty to any garden or landscape.