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Genomic Breakthrough Reveals All Roses Were Once Yellow, Scientists Discover in Groundbreaking Study Introduction to the Genomic Study of Roses A large-scale genomic study conducted by researchers at Beijing Forestry University suggests that the iconic red rose, a symbol of love, may have originally exhibited yellow pigmentation. All rose varieties — including white, pink, red and peach — are classified under the genus Rosa in the Rosaceae family. Unraveling the Ancestral Origins of Roses Genomic Analysis of Rose Lineages Genomic analysis reconstructing ancestral traits indicates that all rose lineages originate from a common ancestor —a single-petaled, yellow-flowered plant with seven leaflets. The results have been published in Nature Plants . Evolution of Roses and Their Significance Roses, which account for nearly 30% of global cut flower sales, are the most extensively cultivated ornamental plants, domesticated over time to align with the aesthetic tastes of different eras. The Ri...