genus Lithophragma ge·nus·lit·hophragma uncommon noun 1. small genus of perennial herbs of the western North America SynonymsLithophragmagenus Lithophragma Related words Broader terms rosid dicot genus Parts Saxifragaceae Part of woodland starprairie star WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
