Rice husk and rice leaf phytoliths. (IMAGE) Dartmouth College Caption Phytolith recovered from stone flakes from Shanghsan and Hehuashan flakes: rice husk phytolith (on left) and rice leaf phytolith. Credit Image by Jiajing Wang Usage Restrictions none 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.