Roses - White. “What’s in a name? That which we call a rose; By any other name would smell as sweet”-William Shakespeare, Romeo and Juliet, Act 2 scene2. One of the most popular of flowering plants, there are both wild and cultivated species, grown throughout the world. Roses have a long and colourful history. According to fossil evidence, the rose is 35 million years old, with over 30,000 varieties of roses. It has the most complicated family tree of any known flower species.