Stem Cell Plant Example (IMAGE) Cold Spring Harbor Laboratory Caption When the maintenance of stem cells is disrupted, the consequences are often very visual. In the case of this tomato plant, the cells driving flower growth have over-proliferated, creating a disorganized mass of petals. Credit Lippman Lab/CSHL, 2019 Usage Restrictions Attribution necessary 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.