Thallus greyish-white, to glaucous-grey, smooth, matt or shining, continuous to ± granular-papillate, or ± areolate-cracked, areolae convex, minutely papillate, often ± eroded or lacking, not sorediate, in patches, 5-30 mm diam. Apothecia conspicuous, frequent, sessile, solitary to confluent-clustered, 0.1-1.0 mm diam., rounded to irregular, often contorted through mutual pressure, disc plane to subconvex, bright orange-red (K+ purple), waxy, smooth or subplicate, matt or shining, margins thin, entire to subcrenulate, concolorous with disc. Ascospores ellipsoid, 13-19 × 3-3.5 µm.