According to a research team led by palaeontologists, the net-like leaf veining typical for today's flowering plants developed much earlier than previously thought, but died out again several times.

This is a preview. Log in through your library . Abstract Some Carboniferous seed ferns undergo extensive secondary growth, with secondary vascular tissues occupying increased space within the axis.

As a kid, I remember watching time-lapse videos of a flower blooming or of the sun racing across the sky. Of course, things don't happen that way in nature with one possible exception: sprouting, ...