weedy rice shattering (IMAGE) Washington University in St. Louis Caption When weedy rice and wild rice hybridize, weedy rice can develop freely shattering seed, which gives the weed an advantage. Credit BK Song Usage Restrictions For editorial purposes License Original 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.