<p style="text-align: center;"><span style="font-size: medium; font-family: book antiqua,palatino;"><strong><em>Ginkgo biloba</em></strong> is the only representative of the order of <strong><em>Ginkgoales</em></strong>,<br />a group of <strong>gymnosperms</strong> composed of the family <em><strong>Ginkgoaceae</strong></em><br />which would go back to 270 million years is in the Permian'period.</span></p>