Thallus closely attached, to 10 cm diam., corticolous or lignicolous. Lobes rounded, subirregular to 8 mm wide. Upper surface plane to wrinkled, faveolate, shining or rather waxy, greyish-fawn to greenish or buff, sorediate. Soralia laminal, rarely marginal, white or yellowish becoming grey-brown with age, originating from coarse, pustular ridges, becoming irregular-diffuse. Lower surface black, with a narrow, brown, naked marginal zone. Rhizines numerous, simple, black. Apothecia sessile, disc brown, thalline margin entire, sorediate. Ascospores 5-7 × 10-12 µm. Chemistry: Cortex K+ yellow; medulla K-, C+ red, KC+ red, Pd-. Lecanoric acid and atranorin.