Page 69 - The 'X' Chronicles Newspaper - February 2023 Edition
P. 69

Ancestors of Coffee and Potatoes                                                                                    69





           Ancestors of Coffee and


                Potatoes Survived
         Cataclysm That Killed the


               Dinosaur Discovery
             extends the record of


           nearly 40,000 species of
            flowering plants to the


                Cretaceous period





        Coffee beans being roasted


        The discovery of an 80-million-year-old
        fossil plant pushes back the known
        origins of lamiids to the Cretaceous,

        extending the record of nearly 40,000
        species of flowering plants including            Cretaceous ecosystems on the west coast But before, there are no clear known
        modern-day staple crops like coffee,             of North  America may have resembled fossils that belong to that family. And I
        tomatoes, potatoes, and mint.Brian               structurally complex rain forests."              thought, ‘Oh my God, this is it!’  You
        Atkinson, assistant professor of ecology                                                          know, this family of plants have just these
        & evolutionary biology at the University         The well-preserved fossil was unearthed really striking fruits.”
        of Kansas (KU) and curator of                    in the 1990s by construction crews
        paleobotany at the KU Biodiversity               building housing near Granite Bay in                                (Continued on Page 70)
        Institute, recently published a study of         Sacramento, California. Located in
        the fossil plant, named Palaeophytocrene         deposits of the Chico Formation tied to                          Take the
        chicoensis, in the peer-reviewed journal         the Campanian (fifth of six ages of the

        Nature Plants.                                   Late Cretaceous epoch), the fossil was             2023 COFFEE SURVEY
                                                         collected by Richard Hilton and Patrick                               by
        "This fossil tells us a really diverse group     Antuzzi of Sierra College and housed at          CLICKING ON THIS LINK!
        of flowering plants evolved prior to our         their natural history museum.
        original understanding,”  Atkinson said.
        “The fossil belongs to a group of lianas,        “I spent seven years looking for these
        which are woody vines that add structural        things [Cretaceous lamiids], and I
        complexity to rain forests. It shows us          couldn't find them,” Atkinson said. “I’d         When a suspected Chinese
        this group of flowering plants appeared          been collecting and studying Cretaceous

        super early in the fossil record. There’d        plants on the  West Coast to better                   spy balloon flew over
        been some hypotheses that they were              understand the evolution of flowering               Canada, why didn't we
        around in the Cretaceous period—but no           plants. Somebody said, ‘Oh, you should                     shoot it down?
        good clear evidence.  This is a great            check out the Sierra College Museum of
        indicator that structurally complex,             Natural History,’ as it wasn’t on my radar
        modern-type rain forests may have been           to contact them. They gladly had me over               Continued from Page 67
        around as early as 80 million years ago."        to look at their fossil plant collection, and
                                                         I was just kind of blown away by the
        According to the KU researcher, the              diversity of plants that these guys were As for modernizing NORAD, historian
        fossil fruit sheds new light on a “critical      able to dig up in this housing Bercuson couldn't agree more. "Of course
        interval” in the history of life on Earth.       development.”                                    we have to upgrade NORAD," he said,

                                                                                                          "we've known it for a long time." But he
        “It’s a time when forests are transitioning      It wasn’t until  Atkinson saw the fossil says governments have been reluctant to
        from being dominated by gymnosperms              plant recovered decades earlier from the do so.
        such as conifers to being dominated by           construction site that the specimen’s
        flowering plants,”  Atkinson said. “We           potential significance was understood.           "So now we're going to have to because
        know these ecological transitions                                                                 we know that the Chinese have been
        occurred during the Late Cretaceous—             “As I was opening this drawer, I noticed doing this, have clearly gotten away with
        but we still need critical pieces of             this fruit with really striking patterns on it," he said.
        evidence, like how certain ecosystems            its surface,” the KU researcher said. “I

        formed, such as rain forests, which today        immediately recognized it as belonging "So, okay, do we want them patrolling
        comprise over half of plant species that         to this lamiid family called Icacinaceae, our skies, taking pictures, listening to our
        are alive today.  This fossil shows this         which is well-known in younger, post- signals or tapping into our conversations?
        diverse group of plants, the lamiids, were       Cretaceous deposits after the mass- Well, I would think we wouldn't want
        older than previously thought, and               extinction event. It's all over the place. them to know that." []
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