Thallus to 3 cm tall, primary thallus ± persistent, of branching, ± dorsiventral, ascending lobes. Pseudopodetia simple, erect, often 1-2-branched at apices, ± continuously corticate, cortex distinctly verrucose-areolate. Phyllocladia absent. Cephalodia sessile, basal or occasionally inserted above the base of the pseudopodetia, pale yellowish or olive green, rounded, corrugate-scrobiculate or even botryose, alga . Apothecia terminal, often 2-3-clustered at apices of fertile pseudopodetia, disc black, to 3 mm diam., plane or concave at first with a thin margin but consistently convex and immarginate at maturity. Ascospores 6-8 per ascus, elongate-fusiform, 5-9-septate, 40-70 × 4-6 µm. Chemistry: Atranorin, fumarprotocetraric and salazinic (tr.) acids.