<i>Nicotiana Attenuata</i> Flower (IMAGE) Max Planck Institute for Chemical Ecology Caption Flower of the coyote tobacco Nicotiana attenuata: In the pollen producing anthers (orange structures in the center of the flower), the male parts of a flower, metabolic specialization is particularly high in comparison to all other plant organs analyzed. Credit Danny Kessler / Max Planck Institute for Chemical Ecology 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.