Stem Cell Plant Example (image) Cold Spring Harbor Laboratory Share Print E-Mail 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 Share Print E-Mail 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.