Researchers Stumped by Plants with Multiple Chromosomes Set January Meeting to Collaborate (image) Texas A&M AgriLife Communications Share Print E-Mail Caption Roses, like other beloved plants such as coffee, bananas, blueberries, and chrysanthemums are polyploids, which makes breeding improvements into new varieties is much more complex. Credit (Texas A&M AgriLife Research photo by Kathleen Phillips) Usage Restrictions Not for resale. Use with credit. 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.