California false morel ca·li·for·niafalsemorel uncommon noun 1. a gyromitra with a brown puffed up fertile part and a thick fluted stalk; found under conifers in California SynonymsGyromitra californicaCalifornia false morel Related words Broader terms gyromitra Parts genus Gyromitra WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.