Apple mint is a common name for Mentha suaveolens, and hybrid mints involving M. suaveolens as a parent
Apple mints of hybrid origin include: Mentha × rotundifolia (M. longifolia × M. suaveolens) Mentha × villosa (M. spicata × M. suaveolens) - also called Mentha nemorosa, popular in Cuba where it is called yerba buena and is used to make mojitos