Thallus foliose, lobate, dorsiventral, heteromerous, orbicular, ± rosette-forming to spreading, loosely to closely attached. Upper surface corticate, bright yellowish-orange or orange-red (K+ purple - parietin), smooth or wrinkled, matt or shining. Photobiont green, . Medulla white. Lower surface corticate, white to pale brownish, sparingly rhizinate. Rhizines simple, pale. Apothecia lecanorine, sessile to subpedicellate, disc plane or concave, yellow, orange or orange-red, epruinose. Ascospores 8 per ascus, colourless, polarilocular. Pycnidia laminal, immersed in ± prominent warts.