How many species are included in the order Rosales?

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red garden rose — Rosales Red garden roses (*Rosa* hybrid). Whereas wild roses have only five petals, most hybrid varieties have been bred to produce numerous petals in a wide range of colours.

The order Rosales, which comprises the rose order of dicotyledonous flowering plants, includes more than 7,700 species.1

This diverse order consists of 9 families and 261 genera. The vast majority of these species—approximately 93 percent—are contained within the four largest families: Rosaceae, Urticaceae, Moraceae, and Rhamnaceae.1