A rose is a perennial flower shrub or vine of the genus Rosa, within the family Rosaceae, that contains over 100 species and comes in a variety of colors. The species form a group of erect shrubs, and climbing or trailing plants, with stems that are often armed with sharp prickles. It is a common error to refer to roses having thorns. But thorns are modified leaves, whereas these sharp protrusions on a rose are modified epidermal tissues (prickles). Most are native to Asia, with smaller numbers of species native to Europe, North America, and northwest Africa. Natives, cultivars and hybrids are all widely grown for their beauty and fragrance.
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