Rose, any perennial shrub or vine of the genusRosa, within the family Rosaceae, an almost universally distributed group of some 100 species. The great majority are native to Asia. Many are cultivated for their beautiful, fragrant flowers. These are commonly white, yellow, orange, pink,
or red and, in wild roses, are borne singly or in small clusters. The
flowers of wild roses usually have five petals, while the flowers of
cultivated roses are often double.
