Rose is the name of both the woody perennial flowering plant of the genus Rosa and the flower it produces. Rose flowers vary in size and shape, as there are more than 300 species and tens of thousands of cultivars. The oldest remains of roses were found in a 34-million-year-old formation in Colorado. They are popular for use as cut flowers, as well as use in perfumes due to their sweet, aromatic fragrance. Rose is also used to flavor many foods, sweets and beverages, from teas to cocktails.