Asperula is a genus of flowering plants in the family Rubiaceae. It includes around 100 species, commonly known as woodruff or bedstraw. These plants are typically found in temperate regions of Europe, Asia, and North America, thriving in shaded or woodland areas. They are characterized by their whorled leaves and small, star-shaped flowers. Many species of Asperula are used in traditional medicine and herbal remedies. Some, like Asperula odorata, are known for their sweet scent and are often used in perfumes and culinary applications. The plants are also appreciated for their ornamental value in gardens and landscapes.