The world as we know it today is almost inconceivable without the rich and colourful landscapes created by plant life. Among them are flowering plants, or angiosperms, which are by far the most diverse and abundant group of plants, making up over 80% of all known species, including all our staple food crops. But the world was not always like this. There was a time when plant life was almost exclusively green. Then, in the time of the dinosaurs, the world burst magnificently into bloom. Flowers blessed our environment with chromatic vibrancy, but they also upturned food chains and elbowed out...