A 100-million-year-old piece of amber from mines in the Hukawng Valley of Myanmar (formerly Burma) has revealed the oldest known evidence of sexual reproduction in a flowering plant. This image shows flowers of Micropetasos burmensis in a 100-million-year-old piece of amber. Image credit: Oregon State University. The amber contains 18 tiny flowers of a previously unknown Cretaceous plant genus and species, named Micropetasos burmensis. The perfectly-preserved...
