Flowering events follow prolonged droughts. (IMAGE) Tokyo Metropolitan University Caption Flowering events follow prolonged droughts. The appearance of durian flowers peaked around 50 days after an extended dry spell. Credit Tokyo Metropolitan University Usage Restrictions Credit must be given to the creator. License CC BY 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.