The first trees had bizarre shapes, similar to feathers - Earth and Poles. First trees appeared on Earth between 400 and 350 million years ago.

Discovery of leaf fossils still tied to the trunk of a plant in New Brunswick, Canada. According to the reconstruction, the tree had a large canopy of very long leaves almost two and a half meters long. Probably, the researchers add, the Sanfordiacaulis had this shape to capture a large amount of light and reduce competition with other plants on the ground in an era of 'experiments'