<i>Cardamine hirsuta</i> (IMAGE) Max-Planck-Gesellschaft Caption This is a confocal micrograph of a young leaf of Cardamine hirsuta (hairy bittercress) with emerging leaflets, showing distribution of the RCO protein. Cell outlines are shown in gray. RCO shown here in red colour is active at the base of initiating leaflets where it reduces growth, leading to the formation of leaflets that are separated from each other. Credit Neha Bhatia and Peter Huijser Usage Restrictions Use of images is limited to editorial coverage of scientific topics relating to the activities of the Max Planck Society. Any kind of commercial use (including, in particular, the exploitation of images by means of sale or incorporation in image databases or image catalogues) as well as any promotional use/use for merchandise purposes, disclosure to third parties or granting of related rights to third parties is expressly not permitted. 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.