Pycnanthemum is a genus of flowering plants under the family Lamiaceae, and it has several other names that are commonly used to refer to it. Some of the synonyms for the word pycnanthemum include the American mountain mint, narrow-leaved mountain mint, and slender mountain mint. Other species that are closely related to the pycnanthemum include the field mint, peppermint, and spearmint. Each of these plants has its unique distinguishing features, but they share similar characteristics such as the minty aroma and medicinal properties. They have been used for centuries to treat various ailments and as a culinary herb due to their invigorating scent.