Artemisinin (IMAGE) Science China Press Caption The antimalarial drug artemisinin (Qinghaosu) was discovered by Youyou Tu and her colleagues from Artemisia annua L., a plant used in traditional Chinese medicine. Credit ©Science China Press 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.