False morels have wrinkled, irregular caps that are brainlike or saddle-shaped. They may be black, gray, white, brown or reddish. The big red false morel, Gyromitra caroliniana, is a large false morel with a reddish cap. Other names include "elephant ears," "Arkansas morels," and "brain mushrooms." False morels differ from true morels in obvious ways—if you take your time and observe carefully. In false morels, the cap surface has lobes, folds, flaps, or wrinkles, but it does not have pits and ridges like a true morel. You might say false morel caps bulge outward instead of being pitted inward. Also, when you slice a false morel down the middle, the cap is chambered and the stalk is stuffed with a cottony white tissue. True morels are completely hollow. The time of year will also help you tell them apart: In Missouri, true morels are only found in spring.