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January 4 2014

Rare Blue Flowers Reveal How Petals Get Their Color


Beautiful and fragrant blue petunias get their unusual color from a molecular defect in the system that controls the acidity of the plants' cells.

A new study reveals this defect in full, solving the decades-long mystery of the flowers' prized color. The quest to understand the blue petunias also revealed a new cellular "pump" in plants that researchers had never seen before.

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