Differences in Phenolic Makeup of Indigenous Rose Species and Modern Cultivars (image) American Society for Horticultural Science Share Print E-Mail Caption Rosa canina was one of the indigenous roses in a study of leaf and petal phenolic profiles. Differences were found in the makeup of modern rose varieties and indigenous species. Credit Photo by Valentina Schmitzer. Usage Restrictions None Share Print E-Mail 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.