Recently Fallen Maple Leaves (IMAGE) National Evolutionary Synthesis Center (NESCent) Caption These are deciduous maple leaves, recently senesced as winter approaches in Rock Creek Park, Washington, DC. Credit Photo by Amy Zanne Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.