Rainbow Rose
http://en.wikipedia.org/wiki/Rainbow_rose

In Honor of Valentines Day, we’re sharing this article from ChemViews on the Chemistry of Rose Pigments.

The red rose remains the most popular flower to give on Valentine’s Day. Carotenoids produce the yellow colors, anthocyanins the reds, and a mixture of the two the modern oranges. The huge variety of roses has been descended from wild roses by selection, mutation, and hybridization [1].  Read More…

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