Its silhouette resembles a small palm tree, but behind that robust appearance lies one of the most surprising structures in the plant world. Tree ferns belong to one of the oldest plant lineages still surviving on the planet. Long before the appearance of flowering plants, more than 300 million years ago, vast forests dominated by enormous ferns covered much of the Earth. Although those forests disappeared millions of years ago, some of their de…
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Its silhouette resembles a small palm tree, but behind that robust appearance lies one of the most surprising structures in the plant world. Tree ferns belong to one of the oldest plant lineages still surviving on the planet. Long before the appearance of flowering plants, more than 300 million years ago, vast forests dominated by enormous ferns covered much of the Earth. Although those forests disappeared millions of years ago, some of their de…