Primary thallus persistent, of grey, ± wart-like, granular basal phyllocladia to 3 mm, spreading irregularly on rock; soredia absent. Pseudopodetia 2-5 mm tall, mostly unbranched, with a terminal globose soralium. Phyllocladia infrequent, wart-like or cylindrical, sometimes branched. Cephalodia forming granular to hemispherical warts, grey- to violet-brown, amongst basal phyllocladia and on pseudopodetia, containing Stigonema. Anamorph: no information available. Teleomorph: ascomata apothecia, rare, disc red-brown; hypothecium hyaline. Chemistry: thallus C–, K+ yellow, KC+ violet particularly the sorediate tips, Pd+ faintly yellow, UV+ white (atranorin and lobaric acid).