American Journal of Botany Cover of January 2013 Special Issue: Advances in Plant Tropisms (image) Botanical Society of America Share Print E-Mail Caption This is the American Journal of Botany cover of January 2013 Special Issue: Advances in Plant Tropisms. Credit Images courtesy of multiple contributors. 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.