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The Cycadales are one of the most ancient lineages of seed plants, with a fossil record that extends over 250 mil- lion years. Cycads are believed to have originated from the Late Palaeozoic, and reached its maximum diversity and distribution during the M
The Cycadales are one of the most ancient lineages of seed plants, with a fossil record that extends over 250 mil- lion years. Cycads are believed to have originated from the Late Palaeozoic, and reached its maximum diversity and distribution during the M