Thallus orbicular to spreading, to 20 cm diam. Lobes ± detached, 3-8 cm long and to 1.5 cm wide, margins sinuous, often ascending. Lower surface white to brown, veins pale pinkish or brownish, 0.5-1.5 mm wide, slightly raised, to 0.2 mm tall. Rhizines 5-10(-12) mm long, dark brown-black, rarely simple, mainly fasciculate, tapering towards apices. Apothecia round, 2-5 mm diam., often ± reflexed, on narrow, elevated lobules, disc red-brown, exciple corrugate-scabrid, pale flesh-coloured, margins thin, crenate. Spores brownish, 3-7(-9)-septate, 48-85 × 3-4.5 µm. Chemistry: 7β -Acetoxyhopan-22-ol, 15?-acetoxyhopan-22-ol, hopane-6β, 22-diol (zeorin), hopane-7β, 22-diol, hopane-15α, 22-diol.