What genus contains true roses?

The genus containing true roses is Rosa. In botanical classification, Rosa is the genus that includes the familiar garden roses and wild rose species; it belongs to the family Rosaceae, alongside apples, pears, strawberries, and many other plants.

Rosa contains hundreds of recognized species, distributed naturally across the Northern Hemisphere. Botanists disagree about the exact total because some rose populations are so similar that they may be treated as separate species, varieties, or forms. The genus is divided into several subgenera and sections, reflecting differences in leaves, hips, prickles, flowers, and evolutionary relationships.

A common mix-up is confusing Rosa with a rose cultivar name. 'Peace,' 'Mister Lincoln,' and 'Queen Elizabeth' are cultivated varieties, not genera. The scientific name Rosa is also distinct from Rosaceae, the broader family name. Modern garden roses often have complex hybrid backgrounds, but their classification still traces back to the genus Rosa.