Wattieza - First Trees - V2Image may be cropped. Click to view.
Artwork of one of the earliest known trees - called Wattieza. They appeared in the Mid Devonian about 385 million years ago. It had fronds instead of leaves, and is closely related to ferns (which first appeared around the same time as Wattieza) and horsetails. They stood about 8 metres (26 ft) tall.