Corpse flower heat map (IMAGE) Dartmouth College Caption A heatmap of titus arum, or the corpse flower, shows that the plant's central towering spike known as the appendix heats up to about 20 degrees Fahrenheit over the ambient temperature when the flower blooms. Credit Eric Schaller/Dartmouth Usage Restrictions N/A 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.