ARGUABLY the world’s weirdest plant, Welwitschia mirabilis is a tangled mass of shredded, fraying leaves in the Namib desert. For a thousand years, perhaps more, it grows just two long leaves, which ...
More than 300 million years ago, when dinosaurs walked the earth, gymnosperms evolved as the first seed-bearing plants and transformed life on the planet. 1 Today, people rely heavily on seeds for ...
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